154932680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 415687680

約数和(自身を除く): 260755000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 61, 70, 94, 122, 140, 188, 193, 235, 244, 280, 305, 329, 376, 386, 427, 470, 488, 610, 658, 772, 854, 940, 965, 1220, 1316, 1351, 1544, 1645, 1708, 1880, 1930, 2135, 2440, 2632, 2702, 2867, 3290, 3416, 3860, 4270, 5404, 5734, 6580, 6755, 7720, 8540, 9071, 10808, 11468, 11773, 13160, 13510, 14335, 17080, 18142, 20069, 22936, 23546, 27020, 28670, 36284, 40138, 45355, 47092, 54040, 57340, 58865, 63497, 72568, 80276, 82411, 90710, 94184, 100345, 114680, 117730, 126994, 160552, 164822, 181420, 200690, 235460, 253988, 317485, 329644, 362840, 401380, 412055, 470920, 507976, 553331, 634970, 659288, 802760, 824110, 1106662, 1269940, 1648220, 2213324, 2539880, 2766655, 3296440, 3873317, 4426648, 5533310, 7746634, 11066620, 15493268, 19366585, 22133240, 30986536, 38733170, 77466340, 154932680]

約数ペア:

[(1, 154932680), (2, 77466340), (4, 38733170), (5, 30986536), (7, 22133240), (8, 19366585), (10, 15493268), (14, 11066620), (20, 7746634), (28, 5533310), (35, 4426648), (40, 3873317), (47, 3296440), (56, 2766655), (61, 2539880), (70, 2213324), (94, 1648220), (122, 1269940), (140, 1106662), (188, 824110), (193, 802760), (235, 659288), (244, 634970), (280, 553331), (305, 507976), (329, 470920), (376, 412055), (386, 401380), (427, 362840), (470, 329644), (488, 317485), (610, 253988), (658, 235460), (772, 200690), (854, 181420), (940, 164822), (965, 160552), (1220, 126994), (1316, 117730), (1351, 114680), (1544, 100345), (1645, 94184), (1708, 90710), (1880, 82411), (1930, 80276), (2135, 72568), (2440, 63497), (2632, 58865), (2702, 57340), (2867, 54040), (3290, 47092), (3416, 45355), (3860, 40138), (4270, 36284), (5404, 28670), (5734, 27020), (6580, 23546), (6755, 22936), (7720, 20069), (8540, 18142), (9071, 17080), (10808, 14335), (11468, 13510), (11773, 13160)]