42813420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:575

約数の個数: 96

約数和(自身を含む): 130394880

約数和(自身を除く): 87581460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 131, 156, 195, 260, 262, 390, 393, 419, 524, 655, 780, 786, 838, 1257, 1310, 1572, 1676, 1703, 1965, 2095, 2514, 2620, 3406, 3930, 4190, 5028, 5109, 5447, 6285, 6812, 7860, 8380, 8515, 10218, 10894, 12570, 16341, 17030, 20436, 21788, 25140, 25545, 27235, 32682, 34060, 51090, 54470, 54889, 65364, 81705, 102180, 108940, 109778, 163410, 164667, 219556, 274445, 326820, 329334, 548890, 658668, 713557, 823335, 1097780, 1427114, 1646670, 2140671, 2854228, 3293340, 3567785, 4281342, 7135570, 8562684, 10703355, 14271140, 21406710, 42813420]

約数ペア:

[(1, 42813420), (2, 21406710), (3, 14271140), (4, 10703355), (5, 8562684), (6, 7135570), (10, 4281342), (12, 3567785), (13, 3293340), (15, 2854228), (20, 2140671), (26, 1646670), (30, 1427114), (39, 1097780), (52, 823335), (60, 713557), (65, 658668), (78, 548890), (130, 329334), (131, 326820), (156, 274445), (195, 219556), (260, 164667), (262, 163410), (390, 109778), (393, 108940), (419, 102180), (524, 81705), (655, 65364), (780, 54889), (786, 54470), (838, 51090), (1257, 34060), (1310, 32682), (1572, 27235), (1676, 25545), (1703, 25140), (1965, 21788), (2095, 20436), (2514, 17030), (2620, 16341), (3406, 12570), (3930, 10894), (4190, 10218), (5028, 8515), (5109, 8380), (5447, 7860), (6285, 6812)]