81341208

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 248058720

約数和(自身を除く): 166717512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 43, 47, 52, 72, 78, 86, 94, 104, 117, 129, 141, 156, 172, 188, 234, 258, 282, 312, 344, 376, 387, 423, 468, 516, 559, 564, 611, 774, 846, 936, 1032, 1118, 1128, 1222, 1548, 1677, 1692, 1833, 1849, 2021, 2236, 2444, 3096, 3354, 3384, 3666, 3698, 4042, 4472, 4888, 5031, 5499, 5547, 6063, 6708, 7332, 7396, 8084, 10062, 10998, 11094, 12126, 13416, 14664, 14792, 16168, 16641, 18189, 20124, 21996, 22188, 24037, 24252, 26273, 33282, 36378, 40248, 43992, 44376, 48074, 48504, 52546, 66564, 72111, 72756, 78819, 86903, 96148, 105092, 133128, 144222, 145512, 157638, 173806, 192296, 210184, 216333, 236457, 260709, 288444, 315276, 347612, 432666, 472914, 521418, 576888, 630552, 695224, 782127, 865332, 945828, 1042836, 1129739, 1564254, 1730664, 1891656, 2085672, 2259478, 3128508, 3389217, 4518956, 6257016, 6778434, 9037912, 10167651, 13556868, 20335302, 27113736, 40670604, 81341208]

約数ペア:

[(1, 81341208), (2, 40670604), (3, 27113736), (4, 20335302), (6, 13556868), (8, 10167651), (9, 9037912), (12, 6778434), (13, 6257016), (18, 4518956), (24, 3389217), (26, 3128508), (36, 2259478), (39, 2085672), (43, 1891656), (47, 1730664), (52, 1564254), (72, 1129739), (78, 1042836), (86, 945828), (94, 865332), (104, 782127), (117, 695224), (129, 630552), (141, 576888), (156, 521418), (172, 472914), (188, 432666), (234, 347612), (258, 315276), (282, 288444), (312, 260709), (344, 236457), (376, 216333), (387, 210184), (423, 192296), (468, 173806), (516, 157638), (559, 145512), (564, 144222), (611, 133128), (774, 105092), (846, 96148), (936, 86903), (1032, 78819), (1118, 72756), (1128, 72111), (1222, 66564), (1548, 52546), (1677, 48504), (1692, 48074), (1833, 44376), (1849, 43992), (2021, 40248), (2236, 36378), (2444, 33282), (3096, 26273), (3354, 24252), (3384, 24037), (3666, 22188), (3698, 21996), (4042, 20124), (4472, 18189), (4888, 16641), (5031, 16168), (5499, 14792), (5547, 14664), (6063, 13416), (6708, 12126), (7332, 11094), (7396, 10998), (8084, 10062)]