74656680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 256

約数和(自身を含む): 274268160

約数和(自身を除く): 199611480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 47, 56, 60, 61, 62, 70, 84, 93, 94, 105, 120, 122, 124, 140, 141, 155, 168, 183, 186, 188, 210, 217, 235, 244, 248, 280, 282, 305, 310, 329, 366, 372, 376, 420, 427, 434, 465, 470, 488, 564, 610, 620, 651, 658, 705, 732, 744, 840, 854, 868, 915, 930, 940, 987, 1085, 1128, 1220, 1240, 1281, 1302, 1316, 1410, 1457, 1464, 1645, 1708, 1736, 1830, 1860, 1880, 1891, 1974, 2135, 2170, 2440, 2562, 2604, 2632, 2820, 2867, 2914, 3255, 3290, 3416, 3660, 3720, 3782, 3948, 4270, 4340, 4371, 4935, 5124, 5208, 5640, 5673, 5734, 5828, 6405, 6510, 6580, 7285, 7320, 7564, 7896, 8540, 8601, 8680, 8742, 9455, 9870, 10199, 10248, 11346, 11468, 11656, 12810, 13020, 13160, 13237, 14335, 14570, 15128, 17080, 17202, 17484, 18910, 19740, 20069, 20398, 21855, 22692, 22936, 25620, 26040, 26474, 28365, 28670, 29140, 30597, 34404, 34968, 37820, 39480, 39711, 40138, 40796, 43005, 43710, 45384, 50995, 51240, 52948, 56730, 57340, 58280, 60207, 61194, 66185, 68808, 75640, 79422, 80276, 81592, 86010, 87420, 88877, 100345, 101990, 105896, 113460, 114680, 120414, 122388, 132370, 152985, 158844, 160552, 172020, 174840, 177754, 198555, 200690, 203980, 226920, 240828, 244776, 264740, 266631, 301035, 305970, 317688, 344040, 355508, 397110, 401380, 407960, 444385, 481656, 529480, 533262, 602070, 611940, 622139, 711016, 794220, 802760, 888770, 1066524, 1204140, 1223880, 1244278, 1333155, 1588440, 1777540, 1866417, 2133048, 2408280, 2488556, 2666310, 3110695, 3555080, 3732834, 4977112, 5332620, 6221390, 7465668, 9332085, 10665240, 12442780, 14931336, 18664170, 24885560, 37328340, 74656680]

約数ペア:

[(1, 74656680), (2, 37328340), (3, 24885560), (4, 18664170), (5, 14931336), (6, 12442780), (7, 10665240), (8, 9332085), (10, 7465668), (12, 6221390), (14, 5332620), (15, 4977112), (20, 3732834), (21, 3555080), (24, 3110695), (28, 2666310), (30, 2488556), (31, 2408280), (35, 2133048), (40, 1866417), (42, 1777540), (47, 1588440), (56, 1333155), (60, 1244278), (61, 1223880), (62, 1204140), (70, 1066524), (84, 888770), (93, 802760), (94, 794220), (105, 711016), (120, 622139), (122, 611940), (124, 602070), (140, 533262), (141, 529480), (155, 481656), (168, 444385), (183, 407960), (186, 401380), (188, 397110), (210, 355508), (217, 344040), (235, 317688), (244, 305970), (248, 301035), (280, 266631), (282, 264740), (305, 244776), (310, 240828), (329, 226920), (366, 203980), (372, 200690), (376, 198555), (420, 177754), (427, 174840), (434, 172020), (465, 160552), (470, 158844), (488, 152985), (564, 132370), (610, 122388), (620, 120414), (651, 114680), (658, 113460), (705, 105896), (732, 101990), (744, 100345), (840, 88877), (854, 87420), (868, 86010), (915, 81592), (930, 80276), (940, 79422), (987, 75640), (1085, 68808), (1128, 66185), (1220, 61194), (1240, 60207), (1281, 58280), (1302, 57340), (1316, 56730), (1410, 52948), (1457, 51240), (1464, 50995), (1645, 45384), (1708, 43710), (1736, 43005), (1830, 40796), (1860, 40138), (1880, 39711), (1891, 39480), (1974, 37820), (2135, 34968), (2170, 34404), (2440, 30597), (2562, 29140), (2604, 28670), (2632, 28365), (2820, 26474), (2867, 26040), (2914, 25620), (3255, 22936), (3290, 22692), (3416, 21855), (3660, 20398), (3720, 20069), (3782, 19740), (3948, 18910), (4270, 17484), (4340, 17202), (4371, 17080), (4935, 15128), (5124, 14570), (5208, 14335), (5640, 13237), (5673, 13160), (5734, 13020), (5828, 12810), (6405, 11656), (6510, 11468), (6580, 11346), (7285, 10248), (7320, 10199), (7564, 9870), (7896, 9455), (8540, 8742), (8601, 8680)]