213536680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:459

約数の個数: 128

約数和(自身を含む): 576276480

約数和(自身を除く): 362739800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 73, 124, 140, 146, 155, 217, 248, 280, 292, 310, 337, 365, 434, 511, 584, 620, 674, 730, 868, 1022, 1085, 1240, 1348, 1460, 1685, 1736, 2044, 2170, 2263, 2359, 2555, 2696, 2920, 3370, 4088, 4340, 4526, 4718, 5110, 6740, 8680, 9052, 9436, 10220, 10447, 11315, 11795, 13480, 15841, 18104, 18872, 20440, 20894, 22630, 23590, 24601, 31682, 41788, 45260, 47180, 49202, 52235, 63364, 73129, 79205, 83576, 90520, 94360, 98404, 104470, 123005, 126728, 146258, 158410, 172207, 196808, 208940, 246010, 292516, 316820, 344414, 365645, 417880, 492020, 585032, 633640, 688828, 731290, 762631, 861035, 984040, 1377656, 1462580, 1525262, 1722070, 2925160, 3050524, 3444140, 3813155, 5338417, 6101048, 6888280, 7626310, 10676834, 15252620, 21353668, 26692085, 30505240, 42707336, 53384170, 106768340, 213536680]

約数ペア:

[(1, 213536680), (2, 106768340), (4, 53384170), (5, 42707336), (7, 30505240), (8, 26692085), (10, 21353668), (14, 15252620), (20, 10676834), (28, 7626310), (31, 6888280), (35, 6101048), (40, 5338417), (56, 3813155), (62, 3444140), (70, 3050524), (73, 2925160), (124, 1722070), (140, 1525262), (146, 1462580), (155, 1377656), (217, 984040), (248, 861035), (280, 762631), (292, 731290), (310, 688828), (337, 633640), (365, 585032), (434, 492020), (511, 417880), (584, 365645), (620, 344414), (674, 316820), (730, 292516), (868, 246010), (1022, 208940), (1085, 196808), (1240, 172207), (1348, 158410), (1460, 146258), (1685, 126728), (1736, 123005), (2044, 104470), (2170, 98404), (2263, 94360), (2359, 90520), (2555, 83576), (2696, 79205), (2920, 73129), (3370, 63364), (4088, 52235), (4340, 49202), (4526, 47180), (4718, 45260), (5110, 41788), (6740, 31682), (8680, 24601), (9052, 23590), (9436, 22630), (10220, 20894), (10447, 20440), (11315, 18872), (11795, 18104), (13480, 15841)]