77754040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:593

約数の個数: 128

約数和(自身を含む): 220993920

約数和(自身を除く): 143239880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 520, 521, 533, 574, 728, 820, 910, 1042, 1066, 1148, 1435, 1640, 1820, 2084, 2132, 2296, 2605, 2665, 2870, 3640, 3647, 3731, 4168, 4264, 5210, 5330, 5740, 6773, 7294, 7462, 10420, 10660, 11480, 13546, 14588, 14924, 18235, 18655, 20840, 21320, 21361, 27092, 29176, 29848, 33865, 36470, 37310, 42722, 47411, 54184, 67730, 72940, 74620, 85444, 94822, 106805, 135460, 145880, 149240, 149527, 170888, 189644, 213610, 237055, 270920, 277693, 299054, 379288, 427220, 474110, 555386, 598108, 747635, 854440, 948220, 1110772, 1196216, 1388465, 1495270, 1896440, 1943851, 2221544, 2776930, 2990540, 3887702, 5553860, 5981080, 7775404, 9719255, 11107720, 15550808, 19438510, 38877020, 77754040]

約数ペア:

[(1, 77754040), (2, 38877020), (4, 19438510), (5, 15550808), (7, 11107720), (8, 9719255), (10, 7775404), (13, 5981080), (14, 5553860), (20, 3887702), (26, 2990540), (28, 2776930), (35, 2221544), (40, 1943851), (41, 1896440), (52, 1495270), (56, 1388465), (65, 1196216), (70, 1110772), (82, 948220), (91, 854440), (104, 747635), (130, 598108), (140, 555386), (164, 474110), (182, 427220), (205, 379288), (260, 299054), (280, 277693), (287, 270920), (328, 237055), (364, 213610), (410, 189644), (455, 170888), (520, 149527), (521, 149240), (533, 145880), (574, 135460), (728, 106805), (820, 94822), (910, 85444), (1042, 74620), (1066, 72940), (1148, 67730), (1435, 54184), (1640, 47411), (1820, 42722), (2084, 37310), (2132, 36470), (2296, 33865), (2605, 29848), (2665, 29176), (2870, 27092), (3640, 21361), (3647, 21320), (3731, 20840), (4168, 18655), (4264, 18235), (5210, 14924), (5330, 14588), (5740, 13546), (6773, 11480), (7294, 10660), (7462, 10420)]