140721240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6271}}^1$

素因数の和:6313

約数の個数: 128

約数和(自身を含む): 487710720

約数和(自身を除く): 346989480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1496, 1870, 2040, 2244, 2805, 3740, 4488, 5610, 6271, 7480, 11220, 12542, 18813, 22440, 25084, 31355, 37626, 50168, 62710, 68981, 75252, 94065, 106607, 125420, 137962, 150504, 188130, 206943, 213214, 250840, 275924, 319821, 344905, 376260, 413886, 426428, 533035, 551848, 639642, 689810, 752520, 827772, 852856, 1034715, 1066070, 1172677, 1279284, 1379620, 1599105, 1655544, 2069430, 2132140, 2345354, 2558568, 2759240, 3198210, 3518031, 4138860, 4264280, 4690708, 5863385, 6396420, 7036062, 8277720, 9381416, 11726770, 12792840, 14072124, 17590155, 23453540, 28144248, 35180310, 46907080, 70360620, 140721240]

約数ペア:

[(1, 140721240), (2, 70360620), (3, 46907080), (4, 35180310), (5, 28144248), (6, 23453540), (8, 17590155), (10, 14072124), (11, 12792840), (12, 11726770), (15, 9381416), (17, 8277720), (20, 7036062), (22, 6396420), (24, 5863385), (30, 4690708), (33, 4264280), (34, 4138860), (40, 3518031), (44, 3198210), (51, 2759240), (55, 2558568), (60, 2345354), (66, 2132140), (68, 2069430), (85, 1655544), (88, 1599105), (102, 1379620), (110, 1279284), (120, 1172677), (132, 1066070), (136, 1034715), (165, 852856), (170, 827772), (187, 752520), (204, 689810), (220, 639642), (255, 551848), (264, 533035), (330, 426428), (340, 413886), (374, 376260), (408, 344905), (440, 319821), (510, 275924), (561, 250840), (660, 213214), (680, 206943), (748, 188130), (935, 150504), (1020, 137962), (1122, 125420), (1320, 106607), (1496, 94065), (1870, 75252), (2040, 68981), (2244, 62710), (2805, 50168), (3740, 37626), (4488, 31355), (5610, 25084), (6271, 22440), (7480, 18813), (11220, 12542)]