77745520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 205701120

約数和(自身を除く): 127955600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 31, 40, 46, 47, 58, 62, 80, 92, 94, 115, 116, 124, 145, 155, 184, 188, 230, 232, 235, 248, 290, 310, 368, 376, 460, 464, 470, 496, 580, 620, 667, 713, 752, 899, 920, 940, 1081, 1160, 1240, 1334, 1363, 1426, 1457, 1798, 1840, 1880, 2162, 2320, 2480, 2668, 2726, 2852, 2914, 3335, 3565, 3596, 3760, 4324, 4495, 5336, 5405, 5452, 5704, 5828, 6670, 6815, 7130, 7192, 7285, 8648, 8990, 10672, 10810, 10904, 11408, 11656, 13340, 13630, 14260, 14384, 14570, 17296, 17980, 20677, 21620, 21808, 23312, 26680, 27260, 28520, 29140, 31349, 33511, 35960, 41354, 42253, 43240, 53360, 54520, 57040, 58280, 62698, 67022, 71920, 82708, 84506, 86480, 103385, 109040, 116560, 125396, 134044, 156745, 165416, 167555, 169012, 206770, 211265, 250792, 268088, 313490, 330832, 335110, 338024, 413540, 422530, 501584, 536176, 626980, 670220, 676048, 827080, 845060, 971819, 1253960, 1340440, 1654160, 1690120, 1943638, 2507920, 2680880, 3380240, 3887276, 4859095, 7774552, 9718190, 15549104, 19436380, 38872760, 77745520]

約数ペア:

[(1, 77745520), (2, 38872760), (4, 19436380), (5, 15549104), (8, 9718190), (10, 7774552), (16, 4859095), (20, 3887276), (23, 3380240), (29, 2680880), (31, 2507920), (40, 1943638), (46, 1690120), (47, 1654160), (58, 1340440), (62, 1253960), (80, 971819), (92, 845060), (94, 827080), (115, 676048), (116, 670220), (124, 626980), (145, 536176), (155, 501584), (184, 422530), (188, 413540), (230, 338024), (232, 335110), (235, 330832), (248, 313490), (290, 268088), (310, 250792), (368, 211265), (376, 206770), (460, 169012), (464, 167555), (470, 165416), (496, 156745), (580, 134044), (620, 125396), (667, 116560), (713, 109040), (752, 103385), (899, 86480), (920, 84506), (940, 82708), (1081, 71920), (1160, 67022), (1240, 62698), (1334, 58280), (1363, 57040), (1426, 54520), (1457, 53360), (1798, 43240), (1840, 42253), (1880, 41354), (2162, 35960), (2320, 33511), (2480, 31349), (2668, 29140), (2726, 28520), (2852, 27260), (2914, 26680), (3335, 23312), (3565, 21808), (3596, 21620), (3760, 20677), (4324, 17980), (4495, 17296), (5336, 14570), (5405, 14384), (5452, 14260), (5704, 13630), (5828, 13340), (6670, 11656), (6815, 11408), (7130, 10904), (7192, 10810), (7285, 10672), (8648, 8990)]