72864400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:569

約数の個数: 120

約数和(自身を含む): 204254784

約数和(自身を除く): 131390384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 53, 56, 70, 80, 100, 106, 112, 140, 175, 200, 212, 265, 280, 350, 371, 400, 424, 491, 530, 560, 700, 742, 848, 982, 1060, 1325, 1400, 1484, 1855, 1964, 2120, 2455, 2650, 2800, 2968, 3437, 3710, 3928, 4240, 4910, 5300, 5936, 6874, 7420, 7856, 9275, 9820, 10600, 12275, 13748, 14840, 17185, 18550, 19640, 21200, 24550, 26023, 27496, 29680, 34370, 37100, 39280, 49100, 52046, 54992, 68740, 74200, 85925, 98200, 104092, 130115, 137480, 148400, 171850, 182161, 196400, 208184, 260230, 274960, 343700, 364322, 416368, 520460, 650575, 687400, 728644, 910805, 1040920, 1301150, 1374800, 1457288, 1821610, 2081840, 2602300, 2914576, 3643220, 4554025, 5204600, 7286440, 9108050, 10409200, 14572880, 18216100, 36432200, 72864400]

約数ペア:

[(1, 72864400), (2, 36432200), (4, 18216100), (5, 14572880), (7, 10409200), (8, 9108050), (10, 7286440), (14, 5204600), (16, 4554025), (20, 3643220), (25, 2914576), (28, 2602300), (35, 2081840), (40, 1821610), (50, 1457288), (53, 1374800), (56, 1301150), (70, 1040920), (80, 910805), (100, 728644), (106, 687400), (112, 650575), (140, 520460), (175, 416368), (200, 364322), (212, 343700), (265, 274960), (280, 260230), (350, 208184), (371, 196400), (400, 182161), (424, 171850), (491, 148400), (530, 137480), (560, 130115), (700, 104092), (742, 98200), (848, 85925), (982, 74200), (1060, 68740), (1325, 54992), (1400, 52046), (1484, 49100), (1855, 39280), (1964, 37100), (2120, 34370), (2455, 29680), (2650, 27496), (2800, 26023), (2968, 24550), (3437, 21200), (3710, 19640), (3928, 18550), (4240, 17185), (4910, 14840), (5300, 13748), (5936, 12275), (6874, 10600), (7420, 9820), (7856, 9275)]