157436840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:423

約数の個数: 128

約数和(自身を含む): 413061120

約数和(自身を除く): 255624280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 47, 55, 88, 92, 94, 110, 115, 184, 188, 220, 230, 235, 253, 331, 376, 440, 460, 470, 506, 517, 662, 920, 940, 1012, 1034, 1081, 1265, 1324, 1655, 1880, 2024, 2068, 2162, 2530, 2585, 2648, 3310, 3641, 4136, 4324, 5060, 5170, 5405, 6620, 7282, 7613, 8648, 10120, 10340, 10810, 11891, 13240, 14564, 15226, 15557, 18205, 20680, 21620, 23782, 29128, 30452, 31114, 36410, 38065, 43240, 47564, 59455, 60904, 62228, 72820, 76130, 77785, 83743, 95128, 118910, 124456, 145640, 152260, 155570, 167486, 171127, 237820, 304520, 311140, 334972, 342254, 357811, 418715, 475640, 622280, 669944, 684508, 715622, 837430, 855635, 1369016, 1431244, 1674860, 1711270, 1789055, 2862488, 3349720, 3422540, 3578110, 3935921, 6845080, 7156220, 7871842, 14312440, 15743684, 19679605, 31487368, 39359210, 78718420, 157436840]

約数ペア:

[(1, 157436840), (2, 78718420), (4, 39359210), (5, 31487368), (8, 19679605), (10, 15743684), (11, 14312440), (20, 7871842), (22, 7156220), (23, 6845080), (40, 3935921), (44, 3578110), (46, 3422540), (47, 3349720), (55, 2862488), (88, 1789055), (92, 1711270), (94, 1674860), (110, 1431244), (115, 1369016), (184, 855635), (188, 837430), (220, 715622), (230, 684508), (235, 669944), (253, 622280), (331, 475640), (376, 418715), (440, 357811), (460, 342254), (470, 334972), (506, 311140), (517, 304520), (662, 237820), (920, 171127), (940, 167486), (1012, 155570), (1034, 152260), (1081, 145640), (1265, 124456), (1324, 118910), (1655, 95128), (1880, 83743), (2024, 77785), (2068, 76130), (2162, 72820), (2530, 62228), (2585, 60904), (2648, 59455), (3310, 47564), (3641, 43240), (4136, 38065), (4324, 36410), (5060, 31114), (5170, 30452), (5405, 29128), (6620, 23782), (7282, 21620), (7613, 20680), (8648, 18205), (10120, 15557), (10340, 15226), (10810, 14564), (11891, 13240)]