74878020

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 288

約数和(自身を含む): 281788416

約数和(自身を除く): 206910396

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 71, 81, 84, 90, 93, 105, 108, 124, 126, 135, 140, 142, 155, 162, 180, 186, 189, 210, 213, 217, 243, 252, 270, 279, 284, 310, 315, 324, 355, 372, 378, 405, 420, 426, 434, 465, 486, 497, 540, 558, 567, 620, 630, 639, 651, 710, 756, 810, 837, 852, 868, 930, 945, 972, 994, 1065, 1085, 1116, 1134, 1215, 1260, 1278, 1302, 1395, 1420, 1491, 1620, 1674, 1701, 1860, 1890, 1917, 1953, 1988, 2130, 2170, 2201, 2268, 2430, 2485, 2511, 2556, 2604, 2790, 2835, 2982, 3195, 3255, 3348, 3402, 3780, 3834, 3906, 4185, 4260, 4340, 4402, 4473, 4860, 4970, 5022, 5580, 5670, 5751, 5859, 5964, 6390, 6510, 6603, 6804, 7455, 7533, 7668, 7812, 8370, 8505, 8804, 8946, 9585, 9765, 9940, 10044, 11005, 11340, 11502, 11718, 12555, 12780, 13020, 13206, 13419, 14910, 15066, 15407, 16740, 17010, 17253, 17577, 17892, 19170, 19530, 19809, 22010, 22365, 23004, 23436, 25110, 26412, 26838, 28755, 29295, 29820, 30132, 30814, 33015, 34020, 34506, 35154, 37665, 38340, 39060, 39618, 40257, 44020, 44730, 46221, 50220, 52731, 53676, 57510, 58590, 59427, 61628, 66030, 67095, 69012, 70308, 75330, 77035, 79236, 80514, 86265, 87885, 89460, 92442, 99045, 105462, 115020, 117180, 118854, 120771, 132060, 134190, 138663, 150660, 154070, 161028, 172530, 175770, 178281, 184884, 198090, 201285, 210924, 231105, 237708, 241542, 263655, 268380, 277326, 297135, 308140, 345060, 351540, 356562, 396180, 402570, 415989, 462210, 483084, 527310, 534843, 554652, 594270, 603855, 693315, 713124, 805140, 831978, 891405, 924420, 1054620, 1069686, 1188540, 1207710, 1247967, 1386630, 1663956, 1782810, 2079945, 2139372, 2415420, 2495934, 2674215, 2773260, 3565620, 3743901, 4159890, 4991868, 5348430, 6239835, 7487802, 8319780, 10696860, 12479670, 14975604, 18719505, 24959340, 37439010, 74878020]

約数ペア:

[(1, 74878020), (2, 37439010), (3, 24959340), (4, 18719505), (5, 14975604), (6, 12479670), (7, 10696860), (9, 8319780), (10, 7487802), (12, 6239835), (14, 5348430), (15, 4991868), (18, 4159890), (20, 3743901), (21, 3565620), (27, 2773260), (28, 2674215), (30, 2495934), (31, 2415420), (35, 2139372), (36, 2079945), (42, 1782810), (45, 1663956), (54, 1386630), (60, 1247967), (62, 1207710), (63, 1188540), (70, 1069686), (71, 1054620), (81, 924420), (84, 891405), (90, 831978), (93, 805140), (105, 713124), (108, 693315), (124, 603855), (126, 594270), (135, 554652), (140, 534843), (142, 527310), (155, 483084), (162, 462210), (180, 415989), (186, 402570), (189, 396180), (210, 356562), (213, 351540), (217, 345060), (243, 308140), (252, 297135), (270, 277326), (279, 268380), (284, 263655), (310, 241542), (315, 237708), (324, 231105), (355, 210924), (372, 201285), (378, 198090), (405, 184884), (420, 178281), (426, 175770), (434, 172530), (465, 161028), (486, 154070), (497, 150660), (540, 138663), (558, 134190), (567, 132060), (620, 120771), (630, 118854), (639, 117180), (651, 115020), (710, 105462), (756, 99045), (810, 92442), (837, 89460), (852, 87885), (868, 86265), (930, 80514), (945, 79236), (972, 77035), (994, 75330), (1065, 70308), (1085, 69012), (1116, 67095), (1134, 66030), (1215, 61628), (1260, 59427), (1278, 58590), (1302, 57510), (1395, 53676), (1420, 52731), (1491, 50220), (1620, 46221), (1674, 44730), (1701, 44020), (1860, 40257), (1890, 39618), (1917, 39060), (1953, 38340), (1988, 37665), (2130, 35154), (2170, 34506), (2201, 34020), (2268, 33015), (2430, 30814), (2485, 30132), (2511, 29820), (2556, 29295), (2604, 28755), (2790, 26838), (2835, 26412), (2982, 25110), (3195, 23436), (3255, 23004), (3348, 22365), (3402, 22010), (3780, 19809), (3834, 19530), (3906, 19170), (4185, 17892), (4260, 17577), (4340, 17253), (4402, 17010), (4473, 16740), (4860, 15407), (4970, 15066), (5022, 14910), (5580, 13419), (5670, 13206), (5751, 13020), (5859, 12780), (5964, 12555), (6390, 11718), (6510, 11502), (6603, 11340), (6804, 11005), (7455, 10044), (7533, 9940), (7668, 9765), (7812, 9585), (8370, 8946), (8505, 8804)]