240700740

素因数分解:

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

素因数の和:215

約数の個数: 288

約数和(自身を含む): 858009600

約数和(自身を除く): 617308860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 31, 35, 38, 42, 49, 57, 60, 62, 70, 76, 84, 93, 95, 98, 105, 114, 124, 133, 139, 140, 147, 155, 186, 190, 196, 210, 217, 228, 245, 266, 278, 285, 294, 310, 372, 380, 399, 417, 420, 434, 465, 490, 532, 556, 570, 588, 589, 620, 651, 665, 695, 735, 798, 834, 868, 930, 931, 973, 980, 1085, 1140, 1178, 1302, 1330, 1390, 1470, 1519, 1596, 1668, 1767, 1860, 1862, 1946, 1995, 2085, 2170, 2356, 2604, 2641, 2660, 2780, 2793, 2919, 2940, 2945, 3038, 3255, 3534, 3724, 3892, 3990, 4123, 4170, 4309, 4340, 4557, 4655, 4865, 5282, 5586, 5838, 5890, 6076, 6510, 6811, 7068, 7595, 7923, 7980, 8246, 8340, 8618, 8835, 9114, 9310, 9730, 10564, 11172, 11676, 11780, 12369, 12927, 13020, 13205, 13622, 13965, 14595, 15190, 15846, 16492, 17236, 17670, 18228, 18487, 18620, 19460, 20433, 20615, 21545, 22785, 24738, 25854, 26410, 27244, 27930, 28861, 29190, 30163, 30380, 31692, 34055, 35340, 36974, 39615, 40866, 41230, 43090, 45570, 49476, 51708, 52820, 55461, 55860, 57722, 58380, 60326, 61845, 64635, 68110, 73948, 79230, 81732, 81871, 82460, 86180, 86583, 90489, 91140, 92435, 102165, 110922, 115444, 120652, 123690, 129270, 129409, 136220, 144305, 150815, 158460, 163742, 173166, 180978, 184870, 204330, 211141, 221844, 245613, 247380, 258540, 258818, 277305, 288610, 301630, 327484, 346332, 361956, 369740, 388227, 408660, 409355, 422282, 432915, 452445, 491226, 517636, 554610, 573097, 577220, 603260, 633423, 647045, 776454, 818710, 844564, 865830, 904890, 982452, 1055705, 1109220, 1146194, 1228065, 1266846, 1294090, 1552908, 1637420, 1719291, 1731660, 1809780, 1941135, 2111410, 2292388, 2456130, 2533692, 2588180, 2865485, 3167115, 3438582, 3882270, 4011679, 4222820, 4912260, 5730970, 6334230, 6877164, 7764540, 8023358, 8596455, 11461940, 12035037, 12668460, 16046716, 17192910, 20058395, 24070074, 34385820, 40116790, 48140148, 60175185, 80233580, 120350370, 240700740]

約数ペア:

[(1, 240700740), (2, 120350370), (3, 80233580), (4, 60175185), (5, 48140148), (6, 40116790), (7, 34385820), (10, 24070074), (12, 20058395), (14, 17192910), (15, 16046716), (19, 12668460), (20, 12035037), (21, 11461940), (28, 8596455), (30, 8023358), (31, 7764540), (35, 6877164), (38, 6334230), (42, 5730970), (49, 4912260), (57, 4222820), (60, 4011679), (62, 3882270), (70, 3438582), (76, 3167115), (84, 2865485), (93, 2588180), (95, 2533692), (98, 2456130), (105, 2292388), (114, 2111410), (124, 1941135), (133, 1809780), (139, 1731660), (140, 1719291), (147, 1637420), (155, 1552908), (186, 1294090), (190, 1266846), (196, 1228065), (210, 1146194), (217, 1109220), (228, 1055705), (245, 982452), (266, 904890), (278, 865830), (285, 844564), (294, 818710), (310, 776454), (372, 647045), (380, 633423), (399, 603260), (417, 577220), (420, 573097), (434, 554610), (465, 517636), (490, 491226), (532, 452445), (556, 432915), (570, 422282), (588, 409355), (589, 408660), (620, 388227), (651, 369740), (665, 361956), (695, 346332), (735, 327484), (798, 301630), (834, 288610), (868, 277305), (930, 258818), (931, 258540), (973, 247380), (980, 245613), (1085, 221844), (1140, 211141), (1178, 204330), (1302, 184870), (1330, 180978), (1390, 173166), (1470, 163742), (1519, 158460), (1596, 150815), (1668, 144305), (1767, 136220), (1860, 129409), (1862, 129270), (1946, 123690), (1995, 120652), (2085, 115444), (2170, 110922), (2356, 102165), (2604, 92435), (2641, 91140), (2660, 90489), (2780, 86583), (2793, 86180), (2919, 82460), (2940, 81871), (2945, 81732), (3038, 79230), (3255, 73948), (3534, 68110), (3724, 64635), (3892, 61845), (3990, 60326), (4123, 58380), (4170, 57722), (4309, 55860), (4340, 55461), (4557, 52820), (4655, 51708), (4865, 49476), (5282, 45570), (5586, 43090), (5838, 41230), (5890, 40866), (6076, 39615), (6510, 36974), (6811, 35340), (7068, 34055), (7595, 31692), (7923, 30380), (7980, 30163), (8246, 29190), (8340, 28861), (8618, 27930), (8835, 27244), (9114, 26410), (9310, 25854), (9730, 24738), (10564, 22785), (11172, 21545), (11676, 20615), (11780, 20433), (12369, 19460), (12927, 18620), (13020, 18487), (13205, 18228), (13622, 17670), (13965, 17236), (14595, 16492), (15190, 15846)]