68771640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 256

約数和(自身を含む): 258048000

約数和(自身を除く): 189276360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 56, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 120, 124, 133, 139, 140, 152, 155, 168, 186, 190, 210, 217, 228, 248, 266, 278, 280, 285, 310, 372, 380, 399, 417, 420, 434, 456, 465, 532, 556, 570, 589, 620, 651, 665, 695, 744, 760, 798, 834, 840, 868, 930, 973, 1064, 1085, 1112, 1140, 1178, 1240, 1302, 1330, 1390, 1596, 1668, 1736, 1767, 1860, 1946, 1995, 2085, 2170, 2280, 2356, 2604, 2641, 2660, 2780, 2919, 2945, 3192, 3255, 3336, 3534, 3720, 3892, 3990, 4123, 4170, 4309, 4340, 4712, 4865, 5208, 5282, 5320, 5560, 5838, 5890, 6510, 7068, 7784, 7923, 7980, 8246, 8340, 8618, 8680, 8835, 9730, 10564, 11676, 11780, 12369, 12927, 13020, 13205, 14136, 14595, 15846, 15960, 16492, 16680, 17236, 17670, 18487, 19460, 20615, 21128, 21545, 23352, 23560, 24738, 25854, 26040, 26410, 29190, 30163, 31692, 32984, 34472, 35340, 36974, 38920, 39615, 41230, 43090, 49476, 51708, 52820, 55461, 58380, 60326, 61845, 63384, 64635, 70680, 73948, 79230, 81871, 82460, 86180, 90489, 92435, 98952, 103416, 105640, 110922, 116760, 120652, 123690, 129270, 147896, 150815, 158460, 163742, 164920, 172360, 180978, 184870, 221844, 241304, 245613, 247380, 258540, 277305, 301630, 316920, 327484, 361956, 369740, 409355, 443688, 452445, 491226, 494760, 517080, 554610, 573097, 603260, 654968, 723912, 739480, 818710, 904890, 982452, 1109220, 1146194, 1206520, 1228065, 1637420, 1719291, 1809780, 1964904, 2218440, 2292388, 2456130, 2865485, 3274840, 3438582, 3619560, 4584776, 4912260, 5730970, 6877164, 8596455, 9824520, 11461940, 13754328, 17192910, 22923880, 34385820, 68771640]

約数ペア:

[(1, 68771640), (2, 34385820), (3, 22923880), (4, 17192910), (5, 13754328), (6, 11461940), (7, 9824520), (8, 8596455), (10, 6877164), (12, 5730970), (14, 4912260), (15, 4584776), (19, 3619560), (20, 3438582), (21, 3274840), (24, 2865485), (28, 2456130), (30, 2292388), (31, 2218440), (35, 1964904), (38, 1809780), (40, 1719291), (42, 1637420), (56, 1228065), (57, 1206520), (60, 1146194), (62, 1109220), (70, 982452), (76, 904890), (84, 818710), (93, 739480), (95, 723912), (105, 654968), (114, 603260), (120, 573097), (124, 554610), (133, 517080), (139, 494760), (140, 491226), (152, 452445), (155, 443688), (168, 409355), (186, 369740), (190, 361956), (210, 327484), (217, 316920), (228, 301630), (248, 277305), (266, 258540), (278, 247380), (280, 245613), (285, 241304), (310, 221844), (372, 184870), (380, 180978), (399, 172360), (417, 164920), (420, 163742), (434, 158460), (456, 150815), (465, 147896), (532, 129270), (556, 123690), (570, 120652), (589, 116760), (620, 110922), (651, 105640), (665, 103416), (695, 98952), (744, 92435), (760, 90489), (798, 86180), (834, 82460), (840, 81871), (868, 79230), (930, 73948), (973, 70680), (1064, 64635), (1085, 63384), (1112, 61845), (1140, 60326), (1178, 58380), (1240, 55461), (1302, 52820), (1330, 51708), (1390, 49476), (1596, 43090), (1668, 41230), (1736, 39615), (1767, 38920), (1860, 36974), (1946, 35340), (1995, 34472), (2085, 32984), (2170, 31692), (2280, 30163), (2356, 29190), (2604, 26410), (2641, 26040), (2660, 25854), (2780, 24738), (2919, 23560), (2945, 23352), (3192, 21545), (3255, 21128), (3336, 20615), (3534, 19460), (3720, 18487), (3892, 17670), (3990, 17236), (4123, 16680), (4170, 16492), (4309, 15960), (4340, 15846), (4712, 14595), (4865, 14136), (5208, 13205), (5282, 13020), (5320, 12927), (5560, 12369), (5838, 11780), (5890, 11676), (6510, 10564), (7068, 9730), (7784, 8835), (7923, 8680), (7980, 8618), (8246, 8340)]