81204240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1531}}^1$

素因数の和:1577

約数の個数: 160

約数和(自身を含む): 287231616

約数和(自身を除く): 206027376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 208, 221, 240, 255, 260, 272, 312, 340, 390, 408, 442, 510, 520, 624, 663, 680, 780, 816, 884, 1020, 1040, 1105, 1326, 1360, 1531, 1560, 1768, 2040, 2210, 2652, 3062, 3120, 3315, 3536, 4080, 4420, 4593, 5304, 6124, 6630, 7655, 8840, 9186, 10608, 12248, 13260, 15310, 17680, 18372, 19903, 22965, 24496, 26027, 26520, 30620, 36744, 39806, 45930, 52054, 53040, 59709, 61240, 73488, 78081, 79612, 91860, 99515, 104108, 119418, 122480, 130135, 156162, 159224, 183720, 199030, 208216, 238836, 260270, 298545, 312324, 318448, 338351, 367440, 390405, 398060, 416432, 477672, 520540, 597090, 624648, 676702, 780810, 796120, 955344, 1015053, 1041080, 1194180, 1249296, 1353404, 1561620, 1592240, 1691755, 2030106, 2082160, 2388360, 2706808, 3123240, 3383510, 4060212, 4776720, 5075265, 5413616, 6246480, 6767020, 8120424, 10150530, 13534040, 16240848, 20301060, 27068080, 40602120, 81204240]

約数ペア:

[(1, 81204240), (2, 40602120), (3, 27068080), (4, 20301060), (5, 16240848), (6, 13534040), (8, 10150530), (10, 8120424), (12, 6767020), (13, 6246480), (15, 5413616), (16, 5075265), (17, 4776720), (20, 4060212), (24, 3383510), (26, 3123240), (30, 2706808), (34, 2388360), (39, 2082160), (40, 2030106), (48, 1691755), (51, 1592240), (52, 1561620), (60, 1353404), (65, 1249296), (68, 1194180), (78, 1041080), (80, 1015053), (85, 955344), (102, 796120), (104, 780810), (120, 676702), (130, 624648), (136, 597090), (156, 520540), (170, 477672), (195, 416432), (204, 398060), (208, 390405), (221, 367440), (240, 338351), (255, 318448), (260, 312324), (272, 298545), (312, 260270), (340, 238836), (390, 208216), (408, 199030), (442, 183720), (510, 159224), (520, 156162), (624, 130135), (663, 122480), (680, 119418), (780, 104108), (816, 99515), (884, 91860), (1020, 79612), (1040, 78081), (1105, 73488), (1326, 61240), (1360, 59709), (1531, 53040), (1560, 52054), (1768, 45930), (2040, 39806), (2210, 36744), (2652, 30620), (3062, 26520), (3120, 26027), (3315, 24496), (3536, 22965), (4080, 19903), (4420, 18372), (4593, 17680), (5304, 15310), (6124, 13260), (6630, 12248), (7655, 10608), (8840, 9186)]