1289087240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{577}}^1$

素因数の和:775

約数の個数: 128

約数和(自身を含む): 3395865600

約数和(自身を除く): 2106778360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 101, 140, 158, 202, 280, 316, 395, 404, 505, 553, 577, 632, 707, 790, 808, 1010, 1106, 1154, 1414, 1580, 2020, 2212, 2308, 2765, 2828, 2885, 3160, 3535, 4039, 4040, 4424, 4616, 5530, 5656, 5770, 7070, 7979, 8078, 11060, 11540, 14140, 15958, 16156, 20195, 22120, 23080, 28280, 31916, 32312, 39895, 40390, 45583, 55853, 58277, 63832, 79790, 80780, 91166, 111706, 116554, 159580, 161560, 182332, 223412, 227915, 233108, 279265, 291385, 319081, 319160, 364664, 407939, 446824, 455830, 466216, 558530, 582770, 638162, 815878, 911660, 1117060, 1165540, 1276324, 1595405, 1631756, 1823320, 2039695, 2234120, 2331080, 2552648, 3190810, 3263512, 4079390, 4603883, 6381620, 8158780, 9207766, 12763240, 16317560, 18415532, 23019415, 32227181, 36831064, 46038830, 64454362, 92077660, 128908724, 161135905, 184155320, 257817448, 322271810, 644543620, 1289087240]

約数ペア:

[(1, 1289087240), (2, 644543620), (4, 322271810), (5, 257817448), (7, 184155320), (8, 161135905), (10, 128908724), (14, 92077660), (20, 64454362), (28, 46038830), (35, 36831064), (40, 32227181), (56, 23019415), (70, 18415532), (79, 16317560), (101, 12763240), (140, 9207766), (158, 8158780), (202, 6381620), (280, 4603883), (316, 4079390), (395, 3263512), (404, 3190810), (505, 2552648), (553, 2331080), (577, 2234120), (632, 2039695), (707, 1823320), (790, 1631756), (808, 1595405), (1010, 1276324), (1106, 1165540), (1154, 1117060), (1414, 911660), (1580, 815878), (2020, 638162), (2212, 582770), (2308, 558530), (2765, 466216), (2828, 455830), (2885, 446824), (3160, 407939), (3535, 364664), (4039, 319160), (4040, 319081), (4424, 291385), (4616, 279265), (5530, 233108), (5656, 227915), (5770, 223412), (7070, 182332), (7979, 161560), (8078, 159580), (11060, 116554), (11540, 111706), (14140, 91166), (15958, 80780), (16156, 79790), (20195, 63832), (22120, 58277), (23080, 55853), (28280, 45583), (31916, 40390), (32312, 39895)]