987374280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:520

約数の個数: 192

約数和(自身を含む): 3198890880

約数和(自身を除く): 2211516600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 71, 85, 102, 120, 136, 142, 170, 204, 213, 255, 284, 289, 340, 355, 401, 408, 426, 510, 568, 578, 680, 710, 802, 852, 867, 1020, 1065, 1156, 1203, 1207, 1420, 1445, 1604, 1704, 1734, 2005, 2040, 2130, 2312, 2406, 2414, 2840, 2890, 3208, 3468, 3621, 4010, 4260, 4335, 4812, 4828, 5780, 6015, 6035, 6817, 6936, 7242, 8020, 8520, 8670, 9624, 9656, 11560, 12030, 12070, 13634, 14484, 16040, 17340, 18105, 20451, 20519, 24060, 24140, 27268, 28471, 28968, 34085, 34680, 36210, 40902, 41038, 48120, 48280, 54536, 56942, 61557, 68170, 72420, 81804, 82076, 85413, 102255, 102595, 113884, 115889, 123114, 136340, 142355, 144840, 163608, 164152, 170826, 204510, 205190, 227768, 231778, 246228, 272680, 284710, 307785, 341652, 347667, 409020, 410380, 427065, 463556, 484007, 492456, 569420, 579445, 615570, 683304, 695334, 818040, 820760, 854130, 927112, 968014, 1138840, 1158890, 1231140, 1390668, 1452021, 1708260, 1738335, 1936028, 2317780, 2420035, 2462280, 2781336, 2904042, 3416520, 3476670, 3872056, 4635560, 4840070, 5808084, 6953340, 7260105, 8228119, 9680140, 11616168, 13906680, 14520210, 16456238, 19360280, 24684357, 29040420, 32912476, 41140595, 49368714, 58080840, 65824952, 82281190, 98737428, 123421785, 164562380, 197474856, 246843570, 329124760, 493687140, 987374280]

約数ペア:

[(1, 987374280), (2, 493687140), (3, 329124760), (4, 246843570), (5, 197474856), (6, 164562380), (8, 123421785), (10, 98737428), (12, 82281190), (15, 65824952), (17, 58080840), (20, 49368714), (24, 41140595), (30, 32912476), (34, 29040420), (40, 24684357), (51, 19360280), (60, 16456238), (68, 14520210), (71, 13906680), (85, 11616168), (102, 9680140), (120, 8228119), (136, 7260105), (142, 6953340), (170, 5808084), (204, 4840070), (213, 4635560), (255, 3872056), (284, 3476670), (289, 3416520), (340, 2904042), (355, 2781336), (401, 2462280), (408, 2420035), (426, 2317780), (510, 1936028), (568, 1738335), (578, 1708260), (680, 1452021), (710, 1390668), (802, 1231140), (852, 1158890), (867, 1138840), (1020, 968014), (1065, 927112), (1156, 854130), (1203, 820760), (1207, 818040), (1420, 695334), (1445, 683304), (1604, 615570), (1704, 579445), (1734, 569420), (2005, 492456), (2040, 484007), (2130, 463556), (2312, 427065), (2406, 410380), (2414, 409020), (2840, 347667), (2890, 341652), (3208, 307785), (3468, 284710), (3621, 272680), (4010, 246228), (4260, 231778), (4335, 227768), (4812, 205190), (4828, 204510), (5780, 170826), (6015, 164152), (6035, 163608), (6817, 144840), (6936, 142355), (7242, 136340), (8020, 123114), (8520, 115889), (8670, 113884), (9624, 102595), (9656, 102255), (11560, 85413), (12030, 82076), (12070, 81804), (13634, 72420), (14484, 68170), (16040, 61557), (17340, 56942), (18105, 54536), (20451, 48280), (20519, 48120), (24060, 41038), (24140, 40902), (27268, 36210), (28471, 34680), (28968, 34085)]