15584920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 41912640

約数和(自身を除く): 26327720

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 41, 43, 52, 65, 68, 82, 85, 86, 104, 130, 136, 164, 170, 172, 205, 215, 221, 260, 328, 340, 344, 410, 430, 442, 520, 533, 559, 680, 697, 731, 820, 860, 884, 1066, 1105, 1118, 1394, 1462, 1640, 1720, 1763, 1768, 2132, 2210, 2236, 2665, 2788, 2795, 2924, 3485, 3526, 3655, 4264, 4420, 4472, 5330, 5576, 5590, 5848, 6970, 7052, 7310, 8815, 8840, 9061, 9503, 10660, 11180, 13940, 14104, 14620, 17630, 18122, 19006, 21320, 22360, 22919, 27880, 29240, 29971, 35260, 36244, 38012, 45305, 45838, 47515, 59942, 70520, 72488, 76024, 90610, 91676, 95030, 114595, 119884, 149855, 181220, 183352, 190060, 229190, 239768, 299710, 362440, 380120, 389623, 458380, 599420, 779246, 916760, 1198840, 1558492, 1948115, 3116984, 3896230, 7792460, 15584920]

約数ペア:

[(1, 15584920), (2, 7792460), (4, 3896230), (5, 3116984), (8, 1948115), (10, 1558492), (13, 1198840), (17, 916760), (20, 779246), (26, 599420), (34, 458380), (40, 389623), (41, 380120), (43, 362440), (52, 299710), (65, 239768), (68, 229190), (82, 190060), (85, 183352), (86, 181220), (104, 149855), (130, 119884), (136, 114595), (164, 95030), (170, 91676), (172, 90610), (205, 76024), (215, 72488), (221, 70520), (260, 59942), (328, 47515), (340, 45838), (344, 45305), (410, 38012), (430, 36244), (442, 35260), (520, 29971), (533, 29240), (559, 27880), (680, 22919), (697, 22360), (731, 21320), (820, 19006), (860, 18122), (884, 17630), (1066, 14620), (1105, 14104), (1118, 13940), (1394, 11180), (1462, 10660), (1640, 9503), (1720, 9061), (1763, 8840), (1768, 8815), (2132, 7310), (2210, 7052), (2236, 6970), (2665, 5848), (2788, 5590), (2795, 5576), (2924, 5330), (3485, 4472), (3526, 4420), (3655, 4264)]