1979508720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:444

約数の個数: 320

約数和(自身を含む): 7313817600

約数和(自身を除く): 5334308880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 191, 199, 210, 217, 240, 248, 280, 310, 336, 372, 382, 398, 420, 434, 465, 496, 560, 573, 597, 620, 651, 744, 764, 796, 840, 868, 930, 955, 995, 1085, 1146, 1194, 1240, 1302, 1337, 1393, 1488, 1528, 1592, 1680, 1736, 1860, 1910, 1990, 2170, 2292, 2388, 2480, 2604, 2674, 2786, 2865, 2985, 3056, 3184, 3255, 3472, 3720, 3820, 3980, 4011, 4179, 4340, 4584, 4776, 5208, 5348, 5572, 5730, 5921, 5970, 6169, 6510, 6685, 6965, 7440, 7640, 7960, 8022, 8358, 8680, 9168, 9552, 10416, 10696, 11144, 11460, 11842, 11940, 12338, 13020, 13370, 13930, 15280, 15920, 16044, 16716, 17360, 17763, 18507, 20055, 20895, 21392, 22288, 22920, 23684, 23880, 24676, 26040, 26740, 27860, 29605, 30845, 32088, 33432, 35526, 37014, 38009, 40110, 41447, 41790, 43183, 45840, 47368, 47760, 49352, 52080, 53480, 55720, 59210, 61690, 64176, 66864, 71052, 74028, 76018, 80220, 82894, 83580, 86366, 88815, 92535, 94736, 98704, 106960, 111440, 114027, 118420, 123380, 124341, 129549, 142104, 148056, 152036, 160440, 165788, 167160, 172732, 177630, 185070, 190045, 207235, 215915, 228054, 236840, 246760, 248682, 259098, 266063, 284208, 296112, 304072, 320880, 331576, 334320, 345464, 355260, 370140, 380090, 414470, 431830, 456108, 473680, 493520, 497364, 518196, 532126, 570135, 608144, 621705, 647745, 663152, 690928, 710520, 740280, 760180, 798189, 828940, 863660, 912216, 994728, 1036392, 1064252, 1140270, 1178279, 1243410, 1295490, 1330315, 1421040, 1480560, 1520360, 1596378, 1657880, 1727320, 1824432, 1989456, 2072784, 2128504, 2280540, 2356558, 2486820, 2590980, 2660630, 3040720, 3192756, 3315760, 3454640, 3534837, 3990945, 4257008, 4561080, 4713116, 4973640, 5181960, 5321260, 5891395, 6385512, 7069674, 7981890, 8247953, 9122160, 9426232, 9947280, 10363920, 10642520, 11782790, 12771024, 14139348, 15963780, 16495906, 17674185, 18852464, 21285040, 23565580, 24743859, 28278696, 31927560, 32991812, 35348370, 41239765, 47131160, 49487718, 56557392, 63855120, 65983624, 70696740, 82479530, 94262320, 98975436, 123719295, 131967248, 141393480, 164959060, 197950872, 247438590, 282786960, 329918120, 395901744, 494877180, 659836240, 989754360, 1979508720]

約数ペア:

[(1, 1979508720), (2, 989754360), (3, 659836240), (4, 494877180), (5, 395901744), (6, 329918120), (7, 282786960), (8, 247438590), (10, 197950872), (12, 164959060), (14, 141393480), (15, 131967248), (16, 123719295), (20, 98975436), (21, 94262320), (24, 82479530), (28, 70696740), (30, 65983624), (31, 63855120), (35, 56557392), (40, 49487718), (42, 47131160), (48, 41239765), (56, 35348370), (60, 32991812), (62, 31927560), (70, 28278696), (80, 24743859), (84, 23565580), (93, 21285040), (105, 18852464), (112, 17674185), (120, 16495906), (124, 15963780), (140, 14139348), (155, 12771024), (168, 11782790), (186, 10642520), (191, 10363920), (199, 9947280), (210, 9426232), (217, 9122160), (240, 8247953), (248, 7981890), (280, 7069674), (310, 6385512), (336, 5891395), (372, 5321260), (382, 5181960), (398, 4973640), (420, 4713116), (434, 4561080), (465, 4257008), (496, 3990945), (560, 3534837), (573, 3454640), (597, 3315760), (620, 3192756), (651, 3040720), (744, 2660630), (764, 2590980), (796, 2486820), (840, 2356558), (868, 2280540), (930, 2128504), (955, 2072784), (995, 1989456), (1085, 1824432), (1146, 1727320), (1194, 1657880), (1240, 1596378), (1302, 1520360), (1337, 1480560), (1393, 1421040), (1488, 1330315), (1528, 1295490), (1592, 1243410), (1680, 1178279), (1736, 1140270), (1860, 1064252), (1910, 1036392), (1990, 994728), (2170, 912216), (2292, 863660), (2388, 828940), (2480, 798189), (2604, 760180), (2674, 740280), (2786, 710520), (2865, 690928), (2985, 663152), (3056, 647745), (3184, 621705), (3255, 608144), (3472, 570135), (3720, 532126), (3820, 518196), (3980, 497364), (4011, 493520), (4179, 473680), (4340, 456108), (4584, 431830), (4776, 414470), (5208, 380090), (5348, 370140), (5572, 355260), (5730, 345464), (5921, 334320), (5970, 331576), (6169, 320880), (6510, 304072), (6685, 296112), (6965, 284208), (7440, 266063), (7640, 259098), (7960, 248682), (8022, 246760), (8358, 236840), (8680, 228054), (9168, 215915), (9552, 207235), (10416, 190045), (10696, 185070), (11144, 177630), (11460, 172732), (11842, 167160), (11940, 165788), (12338, 160440), (13020, 152036), (13370, 148056), (13930, 142104), (15280, 129549), (15920, 124341), (16044, 123380), (16716, 118420), (17360, 114027), (17763, 111440), (18507, 106960), (20055, 98704), (20895, 94736), (21392, 92535), (22288, 88815), (22920, 86366), (23684, 83580), (23880, 82894), (24676, 80220), (26040, 76018), (26740, 74028), (27860, 71052), (29605, 66864), (30845, 64176), (32088, 61690), (33432, 59210), (35526, 55720), (37014, 53480), (38009, 52080), (40110, 49352), (41447, 47760), (41790, 47368), (43183, 45840)]