72507890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 175633920

約数和(自身を除く): 103126030

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 43, 65, 70, 85, 86, 91, 109, 119, 130, 170, 182, 215, 218, 221, 238, 301, 430, 442, 455, 545, 559, 595, 602, 731, 763, 910, 1090, 1105, 1118, 1190, 1417, 1462, 1505, 1526, 1547, 1853, 2210, 2795, 2834, 3010, 3094, 3655, 3706, 3815, 3913, 4687, 5117, 5590, 7085, 7310, 7630, 7735, 7826, 9265, 9374, 9503, 9919, 10234, 12971, 14170, 15470, 18530, 19006, 19565, 19838, 23435, 24089, 25585, 25942, 32809, 39130, 46870, 47515, 48178, 49595, 51170, 60931, 64855, 65618, 66521, 79679, 95030, 99190, 120445, 121862, 129710, 133042, 159358, 164045, 168623, 240890, 304655, 328090, 332605, 337246, 398395, 426517, 557753, 609310, 665210, 796790, 843115, 853034, 1035827, 1115506, 1686230, 2071654, 2132585, 2788765, 4265170, 5179135, 5577530, 7250789, 10358270, 14501578, 36253945, 72507890]

約数ペア:

[(1, 72507890), (2, 36253945), (5, 14501578), (7, 10358270), (10, 7250789), (13, 5577530), (14, 5179135), (17, 4265170), (26, 2788765), (34, 2132585), (35, 2071654), (43, 1686230), (65, 1115506), (70, 1035827), (85, 853034), (86, 843115), (91, 796790), (109, 665210), (119, 609310), (130, 557753), (170, 426517), (182, 398395), (215, 337246), (218, 332605), (221, 328090), (238, 304655), (301, 240890), (430, 168623), (442, 164045), (455, 159358), (545, 133042), (559, 129710), (595, 121862), (602, 120445), (731, 99190), (763, 95030), (910, 79679), (1090, 66521), (1105, 65618), (1118, 64855), (1190, 60931), (1417, 51170), (1462, 49595), (1505, 48178), (1526, 47515), (1547, 46870), (1853, 39130), (2210, 32809), (2795, 25942), (2834, 25585), (3010, 24089), (3094, 23435), (3655, 19838), (3706, 19565), (3815, 19006), (3913, 18530), (4687, 15470), (5117, 14170), (5590, 12971), (7085, 10234), (7310, 9919), (7630, 9503), (7735, 9374), (7826, 9265)]