81254160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8681}}^1$

素因数の和:8713

約数の個数: 120

約数和(自身を含む): 293903064

約数和(自身を除く): 212648904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 8681, 9360, 17362, 26043, 34724, 43405, 52086, 69448, 78129, 86810, 104172, 112853, 130215, 138896, 156258, 173620, 208344, 225706, 260430, 312516, 338559, 347240, 390645, 416688, 451412, 520860, 564265, 625032, 677118, 694480, 781290, 902824, 1015677, 1041720, 1128530, 1250064, 1354236, 1562580, 1692795, 1805648, 2031354, 2083440, 2257060, 2708472, 3125160, 3385590, 4062708, 4514120, 5078385, 5416944, 6250320, 6771180, 8125416, 9028240, 10156770, 13542360, 16250832, 20313540, 27084720, 40627080, 81254160]

約数ペア:

[(1, 81254160), (2, 40627080), (3, 27084720), (4, 20313540), (5, 16250832), (6, 13542360), (8, 10156770), (9, 9028240), (10, 8125416), (12, 6771180), (13, 6250320), (15, 5416944), (16, 5078385), (18, 4514120), (20, 4062708), (24, 3385590), (26, 3125160), (30, 2708472), (36, 2257060), (39, 2083440), (40, 2031354), (45, 1805648), (48, 1692795), (52, 1562580), (60, 1354236), (65, 1250064), (72, 1128530), (78, 1041720), (80, 1015677), (90, 902824), (104, 781290), (117, 694480), (120, 677118), (130, 625032), (144, 564265), (156, 520860), (180, 451412), (195, 416688), (208, 390645), (234, 347240), (240, 338559), (260, 312516), (312, 260430), (360, 225706), (390, 208344), (468, 173620), (520, 156258), (585, 138896), (624, 130215), (720, 112853), (780, 104172), (936, 86810), (1040, 78129), (1170, 69448), (1560, 52086), (1872, 43405), (2340, 34724), (3120, 26043), (4680, 17362), (8681, 9360)]