64196640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:539

約数の個数: 144

約数和(自身を含む): 221621400

約数和(自身を除く): 157424760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 109, 120, 144, 160, 180, 218, 240, 288, 327, 360, 409, 436, 480, 545, 654, 720, 818, 872, 981, 1090, 1227, 1308, 1440, 1635, 1636, 1744, 1962, 2045, 2180, 2454, 2616, 3270, 3272, 3488, 3681, 3924, 4090, 4360, 4905, 4908, 5232, 6135, 6540, 6544, 7362, 7848, 8180, 8720, 9810, 9816, 10464, 12270, 13080, 13088, 14724, 15696, 16360, 17440, 18405, 19620, 19632, 24540, 26160, 29448, 31392, 32720, 36810, 39240, 39264, 44581, 49080, 52320, 58896, 65440, 73620, 78480, 89162, 98160, 117792, 133743, 147240, 156960, 178324, 196320, 222905, 267486, 294480, 356648, 401229, 445810, 534972, 588960, 668715, 713296, 802458, 891620, 1069944, 1337430, 1426592, 1604916, 1783240, 2006145, 2139888, 2674860, 3209832, 3566480, 4012290, 4279776, 5349720, 6419664, 7132960, 8024580, 10699440, 12839328, 16049160, 21398880, 32098320, 64196640]

約数ペア:

[(1, 64196640), (2, 32098320), (3, 21398880), (4, 16049160), (5, 12839328), (6, 10699440), (8, 8024580), (9, 7132960), (10, 6419664), (12, 5349720), (15, 4279776), (16, 4012290), (18, 3566480), (20, 3209832), (24, 2674860), (30, 2139888), (32, 2006145), (36, 1783240), (40, 1604916), (45, 1426592), (48, 1337430), (60, 1069944), (72, 891620), (80, 802458), (90, 713296), (96, 668715), (109, 588960), (120, 534972), (144, 445810), (160, 401229), (180, 356648), (218, 294480), (240, 267486), (288, 222905), (327, 196320), (360, 178324), (409, 156960), (436, 147240), (480, 133743), (545, 117792), (654, 98160), (720, 89162), (818, 78480), (872, 73620), (981, 65440), (1090, 58896), (1227, 52320), (1308, 49080), (1440, 44581), (1635, 39264), (1636, 39240), (1744, 36810), (1962, 32720), (2045, 31392), (2180, 29448), (2454, 26160), (2616, 24540), (3270, 19632), (3272, 19620), (3488, 18405), (3681, 17440), (3924, 16360), (4090, 15696), (4360, 14724), (4905, 13088), (4908, 13080), (5232, 12270), (6135, 10464), (6540, 9816), (6544, 9810), (7362, 8720), (7848, 8180)]