78371580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 288

約数和(自身を含む): 284981760

約数和(自身を除く): 206610180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 23, 28, 30, 35, 38, 42, 46, 49, 57, 60, 61, 69, 70, 76, 84, 92, 95, 98, 105, 114, 115, 122, 133, 138, 140, 147, 161, 183, 190, 196, 210, 228, 230, 244, 245, 266, 276, 285, 294, 305, 322, 345, 366, 380, 399, 420, 427, 437, 460, 483, 490, 532, 570, 588, 610, 644, 665, 690, 732, 735, 798, 805, 854, 874, 915, 931, 966, 980, 1127, 1140, 1159, 1220, 1281, 1311, 1330, 1380, 1403, 1470, 1596, 1610, 1708, 1748, 1830, 1862, 1932, 1995, 2135, 2185, 2254, 2318, 2415, 2562, 2622, 2660, 2793, 2806, 2940, 2989, 3059, 3220, 3381, 3477, 3660, 3724, 3990, 4209, 4270, 4370, 4508, 4636, 4655, 4830, 5124, 5244, 5586, 5612, 5635, 5795, 5978, 6118, 6405, 6555, 6762, 6954, 7015, 7980, 8113, 8418, 8540, 8740, 8967, 9177, 9310, 9660, 9821, 11172, 11270, 11590, 11956, 12236, 12810, 13110, 13524, 13908, 13965, 14030, 14945, 15295, 16226, 16836, 16905, 17385, 17934, 18354, 18620, 19642, 21045, 21413, 22540, 23180, 24339, 25620, 26220, 26657, 27930, 28060, 29463, 29890, 30590, 32452, 33810, 34770, 35868, 36708, 39284, 40565, 42090, 42826, 44835, 45885, 48678, 49105, 53314, 55860, 56791, 58926, 59780, 61180, 64239, 67620, 68747, 69540, 79971, 81130, 84180, 85652, 89670, 91770, 97356, 98210, 106628, 107065, 113582, 117852, 121695, 128478, 133285, 137494, 147315, 159942, 162260, 170373, 179340, 183540, 186599, 196420, 206241, 214130, 227164, 243390, 256956, 266570, 274988, 283955, 294630, 319884, 321195, 340746, 343735, 373198, 399855, 412482, 428260, 486780, 533140, 559797, 567910, 589260, 642390, 681492, 687470, 746396, 799710, 824964, 851865, 932995, 1031205, 1119594, 1135820, 1284780, 1306193, 1374940, 1599420, 1703730, 1865990, 2062410, 2239188, 2612386, 2798985, 3407460, 3731980, 3918579, 4124820, 5224772, 5597970, 6530965, 7837158, 11195940, 13061930, 15674316, 19592895, 26123860, 39185790, 78371580]

約数ペア:

[(1, 78371580), (2, 39185790), (3, 26123860), (4, 19592895), (5, 15674316), (6, 13061930), (7, 11195940), (10, 7837158), (12, 6530965), (14, 5597970), (15, 5224772), (19, 4124820), (20, 3918579), (21, 3731980), (23, 3407460), (28, 2798985), (30, 2612386), (35, 2239188), (38, 2062410), (42, 1865990), (46, 1703730), (49, 1599420), (57, 1374940), (60, 1306193), (61, 1284780), (69, 1135820), (70, 1119594), (76, 1031205), (84, 932995), (92, 851865), (95, 824964), (98, 799710), (105, 746396), (114, 687470), (115, 681492), (122, 642390), (133, 589260), (138, 567910), (140, 559797), (147, 533140), (161, 486780), (183, 428260), (190, 412482), (196, 399855), (210, 373198), (228, 343735), (230, 340746), (244, 321195), (245, 319884), (266, 294630), (276, 283955), (285, 274988), (294, 266570), (305, 256956), (322, 243390), (345, 227164), (366, 214130), (380, 206241), (399, 196420), (420, 186599), (427, 183540), (437, 179340), (460, 170373), (483, 162260), (490, 159942), (532, 147315), (570, 137494), (588, 133285), (610, 128478), (644, 121695), (665, 117852), (690, 113582), (732, 107065), (735, 106628), (798, 98210), (805, 97356), (854, 91770), (874, 89670), (915, 85652), (931, 84180), (966, 81130), (980, 79971), (1127, 69540), (1140, 68747), (1159, 67620), (1220, 64239), (1281, 61180), (1311, 59780), (1330, 58926), (1380, 56791), (1403, 55860), (1470, 53314), (1596, 49105), (1610, 48678), (1708, 45885), (1748, 44835), (1830, 42826), (1862, 42090), (1932, 40565), (1995, 39284), (2135, 36708), (2185, 35868), (2254, 34770), (2318, 33810), (2415, 32452), (2562, 30590), (2622, 29890), (2660, 29463), (2793, 28060), (2806, 27930), (2940, 26657), (2989, 26220), (3059, 25620), (3220, 24339), (3381, 23180), (3477, 22540), (3660, 21413), (3724, 21045), (3990, 19642), (4209, 18620), (4270, 18354), (4370, 17934), (4508, 17385), (4636, 16905), (4655, 16836), (4830, 16226), (5124, 15295), (5244, 14945), (5586, 14030), (5612, 13965), (5635, 13908), (5795, 13524), (5978, 13110), (6118, 12810), (6405, 12236), (6555, 11956), (6762, 11590), (6954, 11270), (7015, 11172), (7980, 9821), (8113, 9660), (8418, 9310), (8540, 9177), (8740, 8967)]