643529120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{677}}^1$

素因数の和:1162

約数の個数: 96

約数和(自身を含む): 1643293008

約数和(自身を除く): 999763888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 457, 520, 677, 914, 1040, 1354, 1828, 2080, 2285, 2708, 3385, 3656, 4570, 5416, 5941, 6770, 7312, 8801, 9140, 10832, 11882, 13540, 14624, 17602, 18280, 21664, 23764, 27080, 29705, 35204, 36560, 44005, 47528, 54160, 59410, 70408, 73120, 88010, 95056, 108320, 118820, 140816, 176020, 190112, 237640, 281632, 309389, 352040, 475280, 618778, 704080, 950560, 1237556, 1408160, 1546945, 2475112, 3093890, 4022057, 4950224, 6187780, 8044114, 9900448, 12375560, 16088228, 20110285, 24751120, 32176456, 40220570, 49502240, 64352912, 80441140, 128705824, 160882280, 321764560, 643529120]

約数ペア:

[(1, 643529120), (2, 321764560), (4, 160882280), (5, 128705824), (8, 80441140), (10, 64352912), (13, 49502240), (16, 40220570), (20, 32176456), (26, 24751120), (32, 20110285), (40, 16088228), (52, 12375560), (65, 9900448), (80, 8044114), (104, 6187780), (130, 4950224), (160, 4022057), (208, 3093890), (260, 2475112), (416, 1546945), (457, 1408160), (520, 1237556), (677, 950560), (914, 704080), (1040, 618778), (1354, 475280), (1828, 352040), (2080, 309389), (2285, 281632), (2708, 237640), (3385, 190112), (3656, 176020), (4570, 140816), (5416, 118820), (5941, 108320), (6770, 95056), (7312, 88010), (8801, 73120), (9140, 70408), (10832, 59410), (11882, 54160), (13540, 47528), (14624, 44005), (17602, 36560), (18280, 35204), (21664, 29705), (23764, 27080)]