1979315280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1249}}^1$

素因数の和:1370

約数の個数: 240

約数和(自身を含む): 6963840000

約数和(自身を除く): 4984524720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 71, 72, 80, 90, 93, 120, 124, 142, 144, 155, 180, 186, 213, 240, 248, 279, 284, 310, 355, 360, 372, 426, 465, 496, 558, 568, 620, 639, 710, 720, 744, 852, 930, 1065, 1116, 1136, 1240, 1249, 1278, 1395, 1420, 1488, 1704, 1860, 2130, 2201, 2232, 2480, 2498, 2556, 2790, 2840, 3195, 3408, 3720, 3747, 4260, 4402, 4464, 4996, 5112, 5580, 5680, 6245, 6390, 6603, 7440, 7494, 8520, 8804, 9992, 10224, 11005, 11160, 11241, 12490, 12780, 13206, 14988, 17040, 17608, 18735, 19809, 19984, 22010, 22320, 22482, 24980, 25560, 26412, 29976, 33015, 35216, 37470, 38719, 39618, 44020, 44964, 49960, 51120, 52824, 56205, 59952, 66030, 74940, 77438, 79236, 88040, 88679, 89928, 99045, 99920, 105648, 112410, 116157, 132060, 149880, 154876, 158472, 176080, 177358, 179856, 193595, 198090, 224820, 232314, 264120, 266037, 299760, 309752, 316944, 348471, 354716, 387190, 396180, 443395, 449640, 464628, 528240, 532074, 580785, 619504, 696942, 709432, 774380, 792360, 798111, 886790, 899280, 929256, 1064148, 1161570, 1330185, 1393884, 1418864, 1548760, 1584720, 1596222, 1742355, 1773580, 1858512, 2128296, 2323140, 2660370, 2749049, 2787768, 3097520, 3192444, 3484710, 3547160, 3990555, 4256592, 4646280, 5320740, 5498098, 5575536, 6384888, 6969420, 7094320, 7981110, 8247147, 9292560, 10641480, 10996196, 12769776, 13745245, 13938840, 15962220, 16494294, 21282960, 21992392, 24741441, 27490490, 27877680, 31924440, 32988588, 41235735, 43984784, 49482882, 54980980, 63848880, 65977176, 82471470, 98965764, 109961960, 123707205, 131954352, 164942940, 197931528, 219923920, 247414410, 329885880, 395863056, 494828820, 659771760, 989657640, 1979315280]

約数ペア:

[(1, 1979315280), (2, 989657640), (3, 659771760), (4, 494828820), (5, 395863056), (6, 329885880), (8, 247414410), (9, 219923920), (10, 197931528), (12, 164942940), (15, 131954352), (16, 123707205), (18, 109961960), (20, 98965764), (24, 82471470), (30, 65977176), (31, 63848880), (36, 54980980), (40, 49482882), (45, 43984784), (48, 41235735), (60, 32988588), (62, 31924440), (71, 27877680), (72, 27490490), (80, 24741441), (90, 21992392), (93, 21282960), (120, 16494294), (124, 15962220), (142, 13938840), (144, 13745245), (155, 12769776), (180, 10996196), (186, 10641480), (213, 9292560), (240, 8247147), (248, 7981110), (279, 7094320), (284, 6969420), (310, 6384888), (355, 5575536), (360, 5498098), (372, 5320740), (426, 4646280), (465, 4256592), (496, 3990555), (558, 3547160), (568, 3484710), (620, 3192444), (639, 3097520), (710, 2787768), (720, 2749049), (744, 2660370), (852, 2323140), (930, 2128296), (1065, 1858512), (1116, 1773580), (1136, 1742355), (1240, 1596222), (1249, 1584720), (1278, 1548760), (1395, 1418864), (1420, 1393884), (1488, 1330185), (1704, 1161570), (1860, 1064148), (2130, 929256), (2201, 899280), (2232, 886790), (2480, 798111), (2498, 792360), (2556, 774380), (2790, 709432), (2840, 696942), (3195, 619504), (3408, 580785), (3720, 532074), (3747, 528240), (4260, 464628), (4402, 449640), (4464, 443395), (4996, 396180), (5112, 387190), (5580, 354716), (5680, 348471), (6245, 316944), (6390, 309752), (6603, 299760), (7440, 266037), (7494, 264120), (8520, 232314), (8804, 224820), (9992, 198090), (10224, 193595), (11005, 179856), (11160, 177358), (11241, 176080), (12490, 158472), (12780, 154876), (13206, 149880), (14988, 132060), (17040, 116157), (17608, 112410), (18735, 105648), (19809, 99920), (19984, 99045), (22010, 89928), (22320, 88679), (22482, 88040), (24980, 79236), (25560, 77438), (26412, 74940), (29976, 66030), (33015, 59952), (35216, 56205), (37470, 52824), (38719, 51120), (39618, 49960), (44020, 44964)]