1901052720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{125731}}^1$

素因数の和:125760

約数の個数: 160

約数和(自身を含む): 7483568640

約数和(自身を除く): 5582515920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 125731, 251462, 377193, 502924, 628655, 754386, 880117, 1005848, 1131579, 1257310, 1508772, 1760234, 1885965, 2011696, 2263158, 2514620, 2640351, 3017544, 3394737, 3520468, 3771930, 4400585, 4526316, 5029240, 5280702, 5657895, 6035088, 6789474, 7040936, 7543860, 7921053, 8801170, 9052632, 10058480, 10561404, 11315790, 13201755, 13578948, 14081872, 15087720, 15842106, 16973685, 17602340, 18105264, 21122808, 22631580, 23763159, 26403510, 27157896, 30175440, 31684212, 33947370, 35204680, 39605265, 42245616, 45263160, 47526318, 52807020, 54315792, 63368424, 67894740, 70409360, 79210530, 90526320, 95052636, 105614040, 118815795, 126736848, 135789480, 158421060, 190105272, 211228080, 237631590, 271578960, 316842120, 380210544, 475263180, 633684240, 950526360, 1901052720]

約数ペア:

[(1, 1901052720), (2, 950526360), (3, 633684240), (4, 475263180), (5, 380210544), (6, 316842120), (7, 271578960), (8, 237631590), (9, 211228080), (10, 190105272), (12, 158421060), (14, 135789480), (15, 126736848), (16, 118815795), (18, 105614040), (20, 95052636), (21, 90526320), (24, 79210530), (27, 70409360), (28, 67894740), (30, 63368424), (35, 54315792), (36, 52807020), (40, 47526318), (42, 45263160), (45, 42245616), (48, 39605265), (54, 35204680), (56, 33947370), (60, 31684212), (63, 30175440), (70, 27157896), (72, 26403510), (80, 23763159), (84, 22631580), (90, 21122808), (105, 18105264), (108, 17602340), (112, 16973685), (120, 15842106), (126, 15087720), (135, 14081872), (140, 13578948), (144, 13201755), (168, 11315790), (180, 10561404), (189, 10058480), (210, 9052632), (216, 8801170), (240, 7921053), (252, 7543860), (270, 7040936), (280, 6789474), (315, 6035088), (336, 5657895), (360, 5280702), (378, 5029240), (420, 4526316), (432, 4400585), (504, 3771930), (540, 3520468), (560, 3394737), (630, 3017544), (720, 2640351), (756, 2514620), (840, 2263158), (945, 2011696), (1008, 1885965), (1080, 1760234), (1260, 1508772), (1512, 1257310), (1680, 1131579), (1890, 1005848), (2160, 880117), (2520, 754386), (3024, 628655), (3780, 502924), (5040, 377193), (7560, 251462), (15120, 125731)]