15988440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 53242560

約数和(自身を除く): 37254120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 277, 296, 312, 370, 390, 444, 481, 520, 554, 555, 740, 780, 831, 888, 962, 1108, 1110, 1385, 1443, 1480, 1560, 1662, 1924, 2216, 2220, 2405, 2770, 2886, 3324, 3601, 3848, 4155, 4440, 4810, 5540, 5772, 6648, 7202, 7215, 8310, 9620, 10249, 10803, 11080, 11544, 14404, 14430, 16620, 18005, 19240, 20498, 21606, 28808, 28860, 30747, 33240, 36010, 40996, 43212, 51245, 54015, 57720, 61494, 72020, 81992, 86424, 102490, 108030, 122988, 133237, 144040, 153735, 204980, 216060, 245976, 266474, 307470, 399711, 409960, 432120, 532948, 614940, 666185, 799422, 1065896, 1229880, 1332370, 1598844, 1998555, 2664740, 3197688, 3997110, 5329480, 7994220, 15988440]

約数ペア:

[(1, 15988440), (2, 7994220), (3, 5329480), (4, 3997110), (5, 3197688), (6, 2664740), (8, 1998555), (10, 1598844), (12, 1332370), (13, 1229880), (15, 1065896), (20, 799422), (24, 666185), (26, 614940), (30, 532948), (37, 432120), (39, 409960), (40, 399711), (52, 307470), (60, 266474), (65, 245976), (74, 216060), (78, 204980), (104, 153735), (111, 144040), (120, 133237), (130, 122988), (148, 108030), (156, 102490), (185, 86424), (195, 81992), (222, 72020), (260, 61494), (277, 57720), (296, 54015), (312, 51245), (370, 43212), (390, 40996), (444, 36010), (481, 33240), (520, 30747), (554, 28860), (555, 28808), (740, 21606), (780, 20498), (831, 19240), (888, 18005), (962, 16620), (1108, 14430), (1110, 14404), (1385, 11544), (1443, 11080), (1480, 10803), (1560, 10249), (1662, 9620), (1924, 8310), (2216, 7215), (2220, 7202), (2405, 6648), (2770, 5772), (2886, 5540), (3324, 4810), (3601, 4440), (3848, 4155)]