255178980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 288

約数和(自身を含む): 939294720

約数和(自身を除く): 684115740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 47, 60, 62, 63, 70, 84, 90, 93, 94, 105, 124, 126, 139, 140, 141, 155, 180, 186, 188, 210, 217, 235, 252, 278, 279, 282, 310, 315, 329, 372, 417, 420, 423, 434, 465, 470, 556, 558, 564, 620, 630, 651, 658, 695, 705, 834, 846, 868, 930, 940, 973, 987, 1085, 1116, 1251, 1260, 1302, 1316, 1390, 1395, 1410, 1457, 1645, 1668, 1692, 1860, 1946, 1953, 1974, 2085, 2115, 2170, 2502, 2604, 2780, 2790, 2820, 2914, 2919, 2961, 3255, 3290, 3892, 3906, 3948, 4170, 4230, 4309, 4340, 4371, 4865, 4935, 5004, 5580, 5828, 5838, 5922, 6255, 6510, 6533, 6580, 7285, 7812, 8340, 8460, 8618, 8742, 8757, 9730, 9765, 9870, 10199, 11676, 11844, 12510, 12927, 13020, 13066, 13113, 14570, 14595, 14805, 17236, 17484, 17514, 19460, 19530, 19599, 19740, 20398, 21545, 21855, 25020, 25854, 26132, 26226, 29140, 29190, 29610, 30163, 30597, 32665, 35028, 38781, 39060, 39198, 40796, 43090, 43710, 43785, 45731, 50995, 51708, 52452, 58380, 58797, 59220, 60326, 61194, 64635, 65330, 65565, 77562, 78396, 86180, 87420, 87570, 90489, 91462, 91791, 97995, 101990, 117594, 120652, 122388, 129270, 130660, 131130, 137193, 150815, 152985, 155124, 175140, 180978, 182924, 183582, 193905, 195990, 202523, 203980, 228655, 235188, 258540, 262260, 271467, 274386, 293985, 301630, 305970, 361956, 367164, 387810, 391980, 405046, 411579, 452445, 457310, 458955, 542934, 548772, 587970, 603260, 607569, 611940, 685965, 775620, 810092, 823158, 904890, 914620, 917910, 1012615, 1085868, 1175940, 1215138, 1357335, 1371930, 1417661, 1646316, 1809780, 1822707, 1835820, 2025230, 2057895, 2430276, 2714670, 2743860, 2835322, 3037845, 3645414, 4050460, 4115790, 4252983, 5429340, 5670644, 6075690, 7088305, 7290828, 8231580, 8505966, 9113535, 12151380, 12758949, 14176610, 17011932, 18227070, 21264915, 25517898, 28353220, 36454140, 42529830, 51035796, 63794745, 85059660, 127589490, 255178980]

約数ペア:

[(1, 255178980), (2, 127589490), (3, 85059660), (4, 63794745), (5, 51035796), (6, 42529830), (7, 36454140), (9, 28353220), (10, 25517898), (12, 21264915), (14, 18227070), (15, 17011932), (18, 14176610), (20, 12758949), (21, 12151380), (28, 9113535), (30, 8505966), (31, 8231580), (35, 7290828), (36, 7088305), (42, 6075690), (45, 5670644), (47, 5429340), (60, 4252983), (62, 4115790), (63, 4050460), (70, 3645414), (84, 3037845), (90, 2835322), (93, 2743860), (94, 2714670), (105, 2430276), (124, 2057895), (126, 2025230), (139, 1835820), (140, 1822707), (141, 1809780), (155, 1646316), (180, 1417661), (186, 1371930), (188, 1357335), (210, 1215138), (217, 1175940), (235, 1085868), (252, 1012615), (278, 917910), (279, 914620), (282, 904890), (310, 823158), (315, 810092), (329, 775620), (372, 685965), (417, 611940), (420, 607569), (423, 603260), (434, 587970), (465, 548772), (470, 542934), (556, 458955), (558, 457310), (564, 452445), (620, 411579), (630, 405046), (651, 391980), (658, 387810), (695, 367164), (705, 361956), (834, 305970), (846, 301630), (868, 293985), (930, 274386), (940, 271467), (973, 262260), (987, 258540), (1085, 235188), (1116, 228655), (1251, 203980), (1260, 202523), (1302, 195990), (1316, 193905), (1390, 183582), (1395, 182924), (1410, 180978), (1457, 175140), (1645, 155124), (1668, 152985), (1692, 150815), (1860, 137193), (1946, 131130), (1953, 130660), (1974, 129270), (2085, 122388), (2115, 120652), (2170, 117594), (2502, 101990), (2604, 97995), (2780, 91791), (2790, 91462), (2820, 90489), (2914, 87570), (2919, 87420), (2961, 86180), (3255, 78396), (3290, 77562), (3892, 65565), (3906, 65330), (3948, 64635), (4170, 61194), (4230, 60326), (4309, 59220), (4340, 58797), (4371, 58380), (4865, 52452), (4935, 51708), (5004, 50995), (5580, 45731), (5828, 43785), (5838, 43710), (5922, 43090), (6255, 40796), (6510, 39198), (6533, 39060), (6580, 38781), (7285, 35028), (7812, 32665), (8340, 30597), (8460, 30163), (8618, 29610), (8742, 29190), (8757, 29140), (9730, 26226), (9765, 26132), (9870, 25854), (10199, 25020), (11676, 21855), (11844, 21545), (12510, 20398), (12927, 19740), (13020, 19599), (13066, 19530), (13113, 19460), (14570, 17514), (14595, 17484), (14805, 17236)]