11955720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 42071040

約数和(自身を除く): 30115320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 331, 344, 420, 430, 516, 602, 645, 662, 840, 860, 903, 993, 1032, 1204, 1290, 1324, 1505, 1655, 1720, 1806, 1986, 2317, 2408, 2580, 2648, 3010, 3310, 3612, 3972, 4515, 4634, 4965, 5160, 6020, 6620, 6951, 7224, 7944, 9030, 9268, 9930, 11585, 12040, 13240, 13902, 14233, 18060, 18536, 19860, 23170, 27804, 28466, 34755, 36120, 39720, 42699, 46340, 55608, 56932, 69510, 71165, 85398, 92680, 99631, 113864, 139020, 142330, 170796, 199262, 213495, 278040, 284660, 298893, 341592, 398524, 426990, 498155, 569320, 597786, 797048, 853980, 996310, 1195572, 1494465, 1707960, 1992620, 2391144, 2988930, 3985240, 5977860, 11955720]

約数ペア:

[(1, 11955720), (2, 5977860), (3, 3985240), (4, 2988930), (5, 2391144), (6, 1992620), (7, 1707960), (8, 1494465), (10, 1195572), (12, 996310), (14, 853980), (15, 797048), (20, 597786), (21, 569320), (24, 498155), (28, 426990), (30, 398524), (35, 341592), (40, 298893), (42, 284660), (43, 278040), (56, 213495), (60, 199262), (70, 170796), (84, 142330), (86, 139020), (105, 113864), (120, 99631), (129, 92680), (140, 85398), (168, 71165), (172, 69510), (210, 56932), (215, 55608), (258, 46340), (280, 42699), (301, 39720), (331, 36120), (344, 34755), (420, 28466), (430, 27804), (516, 23170), (602, 19860), (645, 18536), (662, 18060), (840, 14233), (860, 13902), (903, 13240), (993, 12040), (1032, 11585), (1204, 9930), (1290, 9268), (1324, 9030), (1505, 7944), (1655, 7224), (1720, 6951), (1806, 6620), (1986, 6020), (2317, 5160), (2408, 4965), (2580, 4634), (2648, 4515), (3010, 3972), (3310, 3612)]