28162680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2579}}^1$

素因数の和:2613

約数の個数: 128

約数和(自身を含む): 104025600

約数和(自身を除く): 75862920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2579, 2730, 3640, 5158, 5460, 7737, 10316, 10920, 12895, 15474, 18053, 20632, 25790, 30948, 33527, 36106, 38685, 51580, 54159, 61896, 67054, 72212, 77370, 90265, 100581, 103160, 108318, 134108, 144424, 154740, 167635, 180530, 201162, 216636, 234689, 268216, 270795, 309480, 335270, 361060, 402324, 433272, 469378, 502905, 541590, 670540, 704067, 722120, 804648, 938756, 1005810, 1083180, 1173445, 1341080, 1408134, 1877512, 2011620, 2166360, 2346890, 2816268, 3520335, 4023240, 4693780, 5632536, 7040670, 9387560, 14081340, 28162680]

約数ペア:

[(1, 28162680), (2, 14081340), (3, 9387560), (4, 7040670), (5, 5632536), (6, 4693780), (7, 4023240), (8, 3520335), (10, 2816268), (12, 2346890), (13, 2166360), (14, 2011620), (15, 1877512), (20, 1408134), (21, 1341080), (24, 1173445), (26, 1083180), (28, 1005810), (30, 938756), (35, 804648), (39, 722120), (40, 704067), (42, 670540), (52, 541590), (56, 502905), (60, 469378), (65, 433272), (70, 402324), (78, 361060), (84, 335270), (91, 309480), (104, 270795), (105, 268216), (120, 234689), (130, 216636), (140, 201162), (156, 180530), (168, 167635), (182, 154740), (195, 144424), (210, 134108), (260, 108318), (273, 103160), (280, 100581), (312, 90265), (364, 77370), (390, 72212), (420, 67054), (455, 61896), (520, 54159), (546, 51580), (728, 38685), (780, 36106), (840, 33527), (910, 30948), (1092, 25790), (1365, 20632), (1560, 18053), (1820, 15474), (2184, 12895), (2579, 10920), (2730, 10316), (3640, 7737), (5158, 5460)]