90321480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:541

約数の個数: 160

約数和(自身を含む): 309232440

約数和(自身を除く): 218910960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 81, 90, 108, 120, 122, 135, 162, 180, 183, 216, 244, 270, 305, 324, 360, 366, 405, 457, 488, 540, 549, 610, 648, 732, 810, 914, 915, 1080, 1098, 1220, 1371, 1464, 1620, 1647, 1828, 1830, 2196, 2285, 2440, 2742, 2745, 3240, 3294, 3656, 3660, 4113, 4392, 4570, 4941, 5484, 5490, 6588, 6855, 7320, 8226, 8235, 9140, 9882, 10968, 10980, 12339, 13176, 13710, 16452, 16470, 18280, 19764, 20565, 21960, 24678, 24705, 27420, 27877, 32904, 32940, 37017, 39528, 41130, 49356, 49410, 54840, 55754, 61695, 65880, 74034, 82260, 83631, 98712, 98820, 111508, 123390, 139385, 148068, 164520, 167262, 185085, 197640, 223016, 246780, 250893, 278770, 296136, 334524, 370170, 418155, 493560, 501786, 557540, 669048, 740340, 752679, 836310, 1003572, 1115080, 1254465, 1480680, 1505358, 1672620, 2007144, 2258037, 2508930, 3010716, 3345240, 3763395, 4516074, 5017860, 6021432, 7526790, 9032148, 10035720, 11290185, 15053580, 18064296, 22580370, 30107160, 45160740, 90321480]

約数ペア:

[(1, 90321480), (2, 45160740), (3, 30107160), (4, 22580370), (5, 18064296), (6, 15053580), (8, 11290185), (9, 10035720), (10, 9032148), (12, 7526790), (15, 6021432), (18, 5017860), (20, 4516074), (24, 3763395), (27, 3345240), (30, 3010716), (36, 2508930), (40, 2258037), (45, 2007144), (54, 1672620), (60, 1505358), (61, 1480680), (72, 1254465), (81, 1115080), (90, 1003572), (108, 836310), (120, 752679), (122, 740340), (135, 669048), (162, 557540), (180, 501786), (183, 493560), (216, 418155), (244, 370170), (270, 334524), (305, 296136), (324, 278770), (360, 250893), (366, 246780), (405, 223016), (457, 197640), (488, 185085), (540, 167262), (549, 164520), (610, 148068), (648, 139385), (732, 123390), (810, 111508), (914, 98820), (915, 98712), (1080, 83631), (1098, 82260), (1220, 74034), (1371, 65880), (1464, 61695), (1620, 55754), (1647, 54840), (1828, 49410), (1830, 49356), (2196, 41130), (2285, 39528), (2440, 37017), (2742, 32940), (2745, 32904), (3240, 27877), (3294, 27420), (3656, 24705), (3660, 24678), (4113, 21960), (4392, 20565), (4570, 19764), (4941, 18280), (5484, 16470), (5490, 16452), (6588, 13710), (6855, 13176), (7320, 12339), (8226, 10980), (8235, 10968), (9140, 9882)]