64123020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:504

約数の個数: 144

約数和(自身を含む): 213114720

約数和(自身を除く): 148991700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 67, 78, 90, 117, 130, 134, 156, 180, 195, 201, 234, 260, 268, 335, 390, 402, 409, 468, 585, 603, 670, 780, 804, 818, 871, 1005, 1170, 1206, 1227, 1340, 1636, 1742, 2010, 2045, 2340, 2412, 2454, 2613, 3015, 3484, 3681, 4020, 4090, 4355, 4908, 5226, 5317, 6030, 6135, 7362, 7839, 8180, 8710, 10452, 10634, 12060, 12270, 13065, 14724, 15678, 15951, 17420, 18405, 21268, 24540, 26130, 26585, 27403, 31356, 31902, 36810, 39195, 47853, 52260, 53170, 54806, 63804, 73620, 78390, 79755, 82209, 95706, 106340, 109612, 137015, 156780, 159510, 164418, 191412, 239265, 246627, 274030, 319020, 328836, 356239, 411045, 478530, 493254, 548060, 712478, 822090, 957060, 986508, 1068717, 1233135, 1424956, 1644180, 1781195, 2137434, 2466270, 3206151, 3562390, 4274868, 4932540, 5343585, 6412302, 7124780, 10687170, 12824604, 16030755, 21374340, 32061510, 64123020]

約数ペア:

[(1, 64123020), (2, 32061510), (3, 21374340), (4, 16030755), (5, 12824604), (6, 10687170), (9, 7124780), (10, 6412302), (12, 5343585), (13, 4932540), (15, 4274868), (18, 3562390), (20, 3206151), (26, 2466270), (30, 2137434), (36, 1781195), (39, 1644180), (45, 1424956), (52, 1233135), (60, 1068717), (65, 986508), (67, 957060), (78, 822090), (90, 712478), (117, 548060), (130, 493254), (134, 478530), (156, 411045), (180, 356239), (195, 328836), (201, 319020), (234, 274030), (260, 246627), (268, 239265), (335, 191412), (390, 164418), (402, 159510), (409, 156780), (468, 137015), (585, 109612), (603, 106340), (670, 95706), (780, 82209), (804, 79755), (818, 78390), (871, 73620), (1005, 63804), (1170, 54806), (1206, 53170), (1227, 52260), (1340, 47853), (1636, 39195), (1742, 36810), (2010, 31902), (2045, 31356), (2340, 27403), (2412, 26585), (2454, 26130), (2613, 24540), (3015, 21268), (3484, 18405), (3681, 17420), (4020, 15951), (4090, 15678), (4355, 14724), (4908, 13065), (5226, 12270), (5317, 12060), (6030, 10634), (6135, 10452), (7362, 8710), (7839, 8180)]