664741680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1901}}^1$

素因数の和:1995

約数の個数: 160

約数和(自身を含む): 2173575168

約数和(自身を除く): 1508833488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 47, 48, 60, 62, 80, 93, 94, 120, 124, 141, 155, 186, 188, 235, 240, 248, 282, 310, 372, 376, 465, 470, 496, 564, 620, 705, 744, 752, 930, 940, 1128, 1240, 1410, 1457, 1488, 1860, 1880, 1901, 2256, 2480, 2820, 2914, 3720, 3760, 3802, 4371, 5640, 5703, 5828, 7285, 7440, 7604, 8742, 9505, 11280, 11406, 11656, 14570, 15208, 17484, 19010, 21855, 22812, 23312, 28515, 29140, 30416, 34968, 38020, 43710, 45624, 57030, 58280, 58931, 69936, 76040, 87420, 89347, 91248, 114060, 116560, 117862, 152080, 174840, 176793, 178694, 228120, 235724, 268041, 294655, 349680, 353586, 357388, 446735, 456240, 471448, 536082, 589310, 707172, 714776, 883965, 893470, 942896, 1072164, 1178620, 1340205, 1414344, 1429552, 1767930, 1786940, 2144328, 2357240, 2680410, 2769757, 2828688, 3535860, 3573880, 4288656, 4714480, 5360820, 5539514, 7071720, 7147760, 8309271, 10721640, 11079028, 13848785, 14143440, 16618542, 21443280, 22158056, 27697570, 33237084, 41546355, 44316112, 55395140, 66474168, 83092710, 110790280, 132948336, 166185420, 221580560, 332370840, 664741680]

約数ペア:

[(1, 664741680), (2, 332370840), (3, 221580560), (4, 166185420), (5, 132948336), (6, 110790280), (8, 83092710), (10, 66474168), (12, 55395140), (15, 44316112), (16, 41546355), (20, 33237084), (24, 27697570), (30, 22158056), (31, 21443280), (40, 16618542), (47, 14143440), (48, 13848785), (60, 11079028), (62, 10721640), (80, 8309271), (93, 7147760), (94, 7071720), (120, 5539514), (124, 5360820), (141, 4714480), (155, 4288656), (186, 3573880), (188, 3535860), (235, 2828688), (240, 2769757), (248, 2680410), (282, 2357240), (310, 2144328), (372, 1786940), (376, 1767930), (465, 1429552), (470, 1414344), (496, 1340205), (564, 1178620), (620, 1072164), (705, 942896), (744, 893470), (752, 883965), (930, 714776), (940, 707172), (1128, 589310), (1240, 536082), (1410, 471448), (1457, 456240), (1488, 446735), (1860, 357388), (1880, 353586), (1901, 349680), (2256, 294655), (2480, 268041), (2820, 235724), (2914, 228120), (3720, 178694), (3760, 176793), (3802, 174840), (4371, 152080), (5640, 117862), (5703, 116560), (5828, 114060), (7285, 91248), (7440, 89347), (7604, 87420), (8742, 76040), (9505, 69936), (11280, 58931), (11406, 58280), (11656, 57030), (14570, 45624), (15208, 43710), (17484, 38020), (19010, 34968), (21855, 30416), (22812, 29140), (23312, 28515)]