172956840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1889}}^1$

素因数の和:2019

約数の個数: 128

約数和(自身を含む): 598752000

約数和(自身を除く): 425795160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 109, 120, 140, 168, 210, 218, 280, 327, 420, 436, 545, 654, 763, 840, 872, 1090, 1308, 1526, 1635, 1889, 2180, 2289, 2616, 3052, 3270, 3778, 3815, 4360, 4578, 5667, 6104, 6540, 7556, 7630, 9156, 9445, 11334, 11445, 13080, 13223, 15112, 15260, 18312, 18890, 22668, 22890, 26446, 28335, 30520, 37780, 39669, 45336, 45780, 52892, 56670, 66115, 75560, 79338, 91560, 105784, 113340, 132230, 158676, 198345, 205901, 226680, 264460, 317352, 396690, 411802, 528920, 617703, 793380, 823604, 1029505, 1235406, 1441307, 1586760, 1647208, 2059010, 2470812, 2882614, 3088515, 4118020, 4323921, 4941624, 5765228, 6177030, 7206535, 8236040, 8647842, 11530456, 12354060, 14413070, 17295684, 21619605, 24708120, 28826140, 34591368, 43239210, 57652280, 86478420, 172956840]

約数ペア:

[(1, 172956840), (2, 86478420), (3, 57652280), (4, 43239210), (5, 34591368), (6, 28826140), (7, 24708120), (8, 21619605), (10, 17295684), (12, 14413070), (14, 12354060), (15, 11530456), (20, 8647842), (21, 8236040), (24, 7206535), (28, 6177030), (30, 5765228), (35, 4941624), (40, 4323921), (42, 4118020), (56, 3088515), (60, 2882614), (70, 2470812), (84, 2059010), (105, 1647208), (109, 1586760), (120, 1441307), (140, 1235406), (168, 1029505), (210, 823604), (218, 793380), (280, 617703), (327, 528920), (420, 411802), (436, 396690), (545, 317352), (654, 264460), (763, 226680), (840, 205901), (872, 198345), (1090, 158676), (1308, 132230), (1526, 113340), (1635, 105784), (1889, 91560), (2180, 79338), (2289, 75560), (2616, 66115), (3052, 56670), (3270, 52892), (3778, 45780), (3815, 45336), (4360, 39669), (4578, 37780), (5667, 30520), (6104, 28335), (6540, 26446), (7556, 22890), (7630, 22668), (9156, 18890), (9445, 18312), (11334, 15260), (11445, 15112), (13080, 13223)]