42416920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 120637440

約数和(自身を除く): 78220520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 130, 140, 172, 182, 215, 260, 271, 280, 301, 344, 364, 430, 455, 520, 542, 559, 602, 728, 860, 910, 1084, 1118, 1204, 1355, 1505, 1720, 1820, 1897, 2168, 2236, 2408, 2710, 2795, 3010, 3523, 3640, 3794, 3913, 4472, 5420, 5590, 6020, 7046, 7588, 7826, 9485, 10840, 11180, 11653, 12040, 14092, 15176, 15652, 17615, 18970, 19565, 22360, 23306, 24661, 28184, 31304, 35230, 37940, 39130, 46612, 49322, 58265, 70460, 75880, 78260, 81571, 93224, 98644, 116530, 123305, 140920, 151489, 156520, 163142, 197288, 233060, 246610, 302978, 326284, 407855, 466120, 493220, 605956, 652568, 757445, 815710, 986440, 1060423, 1211912, 1514890, 1631420, 2120846, 3029780, 3262840, 4241692, 5302115, 6059560, 8483384, 10604230, 21208460, 42416920]

約数ペア:

[(1, 42416920), (2, 21208460), (4, 10604230), (5, 8483384), (7, 6059560), (8, 5302115), (10, 4241692), (13, 3262840), (14, 3029780), (20, 2120846), (26, 1631420), (28, 1514890), (35, 1211912), (40, 1060423), (43, 986440), (52, 815710), (56, 757445), (65, 652568), (70, 605956), (86, 493220), (91, 466120), (104, 407855), (130, 326284), (140, 302978), (172, 246610), (182, 233060), (215, 197288), (260, 163142), (271, 156520), (280, 151489), (301, 140920), (344, 123305), (364, 116530), (430, 98644), (455, 93224), (520, 81571), (542, 78260), (559, 75880), (602, 70460), (728, 58265), (860, 49322), (910, 46612), (1084, 39130), (1118, 37940), (1204, 35230), (1355, 31304), (1505, 28184), (1720, 24661), (1820, 23306), (1897, 22360), (2168, 19565), (2236, 18970), (2408, 17615), (2710, 15652), (2795, 15176), (3010, 14092), (3523, 12040), (3640, 11653), (3794, 11180), (3913, 10840), (4472, 9485), (5420, 7826), (5590, 7588), (6020, 7046)]