31666680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:398

約数の個数: 128

約数和(自身を含む): 106920000

約数和(自身を除く): 75253320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 109, 120, 135, 180, 216, 218, 269, 270, 327, 360, 436, 538, 540, 545, 654, 807, 872, 981, 1076, 1080, 1090, 1308, 1345, 1614, 1635, 1962, 2152, 2180, 2421, 2616, 2690, 2943, 3228, 3270, 3924, 4035, 4360, 4842, 4905, 5380, 5886, 6456, 6540, 7263, 7848, 8070, 9684, 9810, 10760, 11772, 12105, 13080, 14526, 14715, 16140, 19368, 19620, 23544, 24210, 29052, 29321, 29430, 32280, 36315, 39240, 48420, 58104, 58642, 58860, 72630, 87963, 96840, 117284, 117720, 145260, 146605, 175926, 234568, 263889, 290520, 293210, 351852, 439815, 527778, 586420, 703704, 791667, 879630, 1055556, 1172840, 1319445, 1583334, 1759260, 2111112, 2638890, 3166668, 3518520, 3958335, 5277780, 6333336, 7916670, 10555560, 15833340, 31666680]

約数ペア:

[(1, 31666680), (2, 15833340), (3, 10555560), (4, 7916670), (5, 6333336), (6, 5277780), (8, 3958335), (9, 3518520), (10, 3166668), (12, 2638890), (15, 2111112), (18, 1759260), (20, 1583334), (24, 1319445), (27, 1172840), (30, 1055556), (36, 879630), (40, 791667), (45, 703704), (54, 586420), (60, 527778), (72, 439815), (90, 351852), (108, 293210), (109, 290520), (120, 263889), (135, 234568), (180, 175926), (216, 146605), (218, 145260), (269, 117720), (270, 117284), (327, 96840), (360, 87963), (436, 72630), (538, 58860), (540, 58642), (545, 58104), (654, 48420), (807, 39240), (872, 36315), (981, 32280), (1076, 29430), (1080, 29321), (1090, 29052), (1308, 24210), (1345, 23544), (1614, 19620), (1635, 19368), (1962, 16140), (2152, 14715), (2180, 14526), (2421, 13080), (2616, 12105), (2690, 11772), (2943, 10760), (3228, 9810), (3270, 9684), (3924, 8070), (4035, 7848), (4360, 7263), (4842, 6540), (4905, 6456), (5380, 5886)]