87405240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1303}}^1$

素因数の和:1373

約数の個数: 128

約数和(自身を含む): 289175040

約数和(自身を除く): 201769800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1032, 1118, 1290, 1303, 1560, 1677, 1720, 2236, 2580, 2606, 2795, 3354, 3909, 4472, 5160, 5212, 5590, 6515, 6708, 7818, 8385, 10424, 11180, 13030, 13416, 15636, 16770, 16939, 19545, 22360, 26060, 31272, 33540, 33878, 39090, 50817, 52120, 56029, 67080, 67756, 78180, 84695, 101634, 112058, 135512, 156360, 168087, 169390, 203268, 224116, 254085, 280145, 336174, 338780, 406536, 448232, 508170, 560290, 672348, 677560, 728377, 840435, 1016340, 1120580, 1344696, 1456754, 1680870, 2032680, 2185131, 2241160, 2913508, 3361740, 3641885, 4370262, 5827016, 6723480, 7283770, 8740524, 10925655, 14567540, 17481048, 21851310, 29135080, 43702620, 87405240]

約数ペア:

[(1, 87405240), (2, 43702620), (3, 29135080), (4, 21851310), (5, 17481048), (6, 14567540), (8, 10925655), (10, 8740524), (12, 7283770), (13, 6723480), (15, 5827016), (20, 4370262), (24, 3641885), (26, 3361740), (30, 2913508), (39, 2241160), (40, 2185131), (43, 2032680), (52, 1680870), (60, 1456754), (65, 1344696), (78, 1120580), (86, 1016340), (104, 840435), (120, 728377), (129, 677560), (130, 672348), (156, 560290), (172, 508170), (195, 448232), (215, 406536), (258, 338780), (260, 336174), (312, 280145), (344, 254085), (390, 224116), (430, 203268), (516, 169390), (520, 168087), (559, 156360), (645, 135512), (780, 112058), (860, 101634), (1032, 84695), (1118, 78180), (1290, 67756), (1303, 67080), (1560, 56029), (1677, 52120), (1720, 50817), (2236, 39090), (2580, 33878), (2606, 33540), (2795, 31272), (3354, 26060), (3909, 22360), (4472, 19545), (5160, 16939), (5212, 16770), (5590, 15636), (6515, 13416), (6708, 13030), (7818, 11180), (8385, 10424)]