400051260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4019}}^1$

素因数の和:4120

約数の個数: 144

約数和(自身を含む): 1404748800

約数和(自身を除く): 1004697540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 711, 790, 948, 1106, 1185, 1260, 1422, 1580, 1659, 2212, 2370, 2765, 2844, 3318, 3555, 4019, 4740, 4977, 5530, 6636, 7110, 8038, 8295, 9954, 11060, 12057, 14220, 16076, 16590, 19908, 20095, 24114, 24885, 28133, 33180, 36171, 40190, 48228, 49770, 56266, 60285, 72342, 80380, 84399, 99540, 112532, 120570, 140665, 144684, 168798, 180855, 241140, 253197, 281330, 317501, 337596, 361710, 421995, 506394, 562660, 635002, 723420, 843990, 952503, 1012788, 1265985, 1270004, 1587505, 1687980, 1905006, 2222507, 2531970, 2857509, 3175010, 3810012, 4445014, 4762515, 5063940, 5715018, 6350020, 6667521, 8890028, 9525030, 11112535, 11430036, 13335042, 14287545, 19050060, 20002563, 22225070, 26670084, 28575090, 33337605, 40005126, 44450140, 57150180, 66675210, 80010252, 100012815, 133350420, 200025630, 400051260]

約数ペア:

[(1, 400051260), (2, 200025630), (3, 133350420), (4, 100012815), (5, 80010252), (6, 66675210), (7, 57150180), (9, 44450140), (10, 40005126), (12, 33337605), (14, 28575090), (15, 26670084), (18, 22225070), (20, 20002563), (21, 19050060), (28, 14287545), (30, 13335042), (35, 11430036), (36, 11112535), (42, 9525030), (45, 8890028), (60, 6667521), (63, 6350020), (70, 5715018), (79, 5063940), (84, 4762515), (90, 4445014), (105, 3810012), (126, 3175010), (140, 2857509), (158, 2531970), (180, 2222507), (210, 1905006), (237, 1687980), (252, 1587505), (315, 1270004), (316, 1265985), (395, 1012788), (420, 952503), (474, 843990), (553, 723420), (630, 635002), (711, 562660), (790, 506394), (948, 421995), (1106, 361710), (1185, 337596), (1260, 317501), (1422, 281330), (1580, 253197), (1659, 241140), (2212, 180855), (2370, 168798), (2765, 144684), (2844, 140665), (3318, 120570), (3555, 112532), (4019, 99540), (4740, 84399), (4977, 80380), (5530, 72342), (6636, 60285), (7110, 56266), (8038, 49770), (8295, 48228), (9954, 40190), (11060, 36171), (12057, 33180), (14220, 28133), (16076, 24885), (16590, 24114), (19908, 20095)]