320615100

素因数分解:

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

素因数の和:509

約数の個数: 216

約数和(自身を含む): 1101092720

約数和(自身を除く): 780477620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 67, 75, 78, 90, 100, 117, 130, 134, 150, 156, 180, 195, 201, 225, 234, 260, 268, 300, 325, 335, 390, 402, 409, 450, 468, 585, 603, 650, 670, 780, 804, 818, 871, 900, 975, 1005, 1170, 1206, 1227, 1300, 1340, 1636, 1675, 1742, 1950, 2010, 2045, 2340, 2412, 2454, 2613, 2925, 3015, 3350, 3484, 3681, 3900, 4020, 4090, 4355, 4908, 5025, 5226, 5317, 5850, 6030, 6135, 6700, 7362, 7839, 8180, 8710, 10050, 10225, 10452, 10634, 11700, 12060, 12270, 13065, 14724, 15075, 15678, 15951, 17420, 18405, 20100, 20450, 21268, 21775, 24540, 26130, 26585, 27403, 30150, 30675, 31356, 31902, 36810, 39195, 40900, 43550, 47853, 52260, 53170, 54806, 60300, 61350, 63804, 65325, 73620, 78390, 79755, 82209, 87100, 92025, 95706, 106340, 109612, 122700, 130650, 132925, 137015, 156780, 159510, 164418, 184050, 191412, 195975, 239265, 246627, 261300, 265850, 274030, 319020, 328836, 356239, 368100, 391950, 398775, 411045, 478530, 493254, 531700, 548060, 685075, 712478, 783900, 797550, 822090, 957060, 986508, 1068717, 1196325, 1233135, 1370150, 1424956, 1595100, 1644180, 1781195, 2055225, 2137434, 2392650, 2466270, 2740300, 3206151, 3562390, 4110450, 4274868, 4785300, 4932540, 5343585, 6165675, 6412302, 7124780, 8220900, 8905975, 10687170, 12331350, 12824604, 16030755, 17811950, 21374340, 24662700, 26717925, 32061510, 35623900, 53435850, 64123020, 80153775, 106871700, 160307550, 320615100]

約数ペア:

[(1, 320615100), (2, 160307550), (3, 106871700), (4, 80153775), (5, 64123020), (6, 53435850), (9, 35623900), (10, 32061510), (12, 26717925), (13, 24662700), (15, 21374340), (18, 17811950), (20, 16030755), (25, 12824604), (26, 12331350), (30, 10687170), (36, 8905975), (39, 8220900), (45, 7124780), (50, 6412302), (52, 6165675), (60, 5343585), (65, 4932540), (67, 4785300), (75, 4274868), (78, 4110450), (90, 3562390), (100, 3206151), (117, 2740300), (130, 2466270), (134, 2392650), (150, 2137434), (156, 2055225), (180, 1781195), (195, 1644180), (201, 1595100), (225, 1424956), (234, 1370150), (260, 1233135), (268, 1196325), (300, 1068717), (325, 986508), (335, 957060), (390, 822090), (402, 797550), (409, 783900), (450, 712478), (468, 685075), (585, 548060), (603, 531700), (650, 493254), (670, 478530), (780, 411045), (804, 398775), (818, 391950), (871, 368100), (900, 356239), (975, 328836), (1005, 319020), (1170, 274030), (1206, 265850), (1227, 261300), (1300, 246627), (1340, 239265), (1636, 195975), (1675, 191412), (1742, 184050), (1950, 164418), (2010, 159510), (2045, 156780), (2340, 137015), (2412, 132925), (2454, 130650), (2613, 122700), (2925, 109612), (3015, 106340), (3350, 95706), (3484, 92025), (3681, 87100), (3900, 82209), (4020, 79755), (4090, 78390), (4355, 73620), (4908, 65325), (5025, 63804), (5226, 61350), (5317, 60300), (5850, 54806), (6030, 53170), (6135, 52260), (6700, 47853), (7362, 43550), (7839, 40900), (8180, 39195), (8710, 36810), (10050, 31902), (10225, 31356), (10452, 30675), (10634, 30150), (11700, 27403), (12060, 26585), (12270, 26130), (13065, 24540), (14724, 21775), (15075, 21268), (15678, 20450), (15951, 20100), (17420, 18405)]