645739320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3989}}^1$

素因数の和:4093

約数の個数: 128

約数和(自身を含む): 2068416000

約数和(自身を除く): 1422676680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 71, 76, 95, 114, 120, 142, 152, 190, 213, 228, 284, 285, 355, 380, 426, 456, 568, 570, 710, 760, 852, 1065, 1140, 1349, 1420, 1704, 2130, 2280, 2698, 2840, 3989, 4047, 4260, 5396, 6745, 7978, 8094, 8520, 10792, 11967, 13490, 15956, 16188, 19945, 20235, 23934, 26980, 31912, 32376, 39890, 40470, 47868, 53960, 59835, 75791, 79780, 80940, 95736, 119670, 151582, 159560, 161880, 227373, 239340, 283219, 303164, 378955, 454746, 478680, 566438, 606328, 757910, 849657, 909492, 1132876, 1136865, 1416095, 1515820, 1699314, 1818984, 2265752, 2273730, 2832190, 3031640, 3398628, 4248285, 4547460, 5381161, 5664380, 6797256, 8496570, 9094920, 10762322, 11328760, 16143483, 16993140, 21524644, 26905805, 32286966, 33986280, 43049288, 53811610, 64573932, 80717415, 107623220, 129147864, 161434830, 215246440, 322869660, 645739320]

約数ペア:

[(1, 645739320), (2, 322869660), (3, 215246440), (4, 161434830), (5, 129147864), (6, 107623220), (8, 80717415), (10, 64573932), (12, 53811610), (15, 43049288), (19, 33986280), (20, 32286966), (24, 26905805), (30, 21524644), (38, 16993140), (40, 16143483), (57, 11328760), (60, 10762322), (71, 9094920), (76, 8496570), (95, 6797256), (114, 5664380), (120, 5381161), (142, 4547460), (152, 4248285), (190, 3398628), (213, 3031640), (228, 2832190), (284, 2273730), (285, 2265752), (355, 1818984), (380, 1699314), (426, 1515820), (456, 1416095), (568, 1136865), (570, 1132876), (710, 909492), (760, 849657), (852, 757910), (1065, 606328), (1140, 566438), (1349, 478680), (1420, 454746), (1704, 378955), (2130, 303164), (2280, 283219), (2698, 239340), (2840, 227373), (3989, 161880), (4047, 159560), (4260, 151582), (5396, 119670), (6745, 95736), (7978, 80940), (8094, 79780), (8520, 75791), (10792, 59835), (11967, 53960), (13490, 47868), (15956, 40470), (16188, 39890), (19945, 32376), (20235, 31912), (23934, 26980)]