81107499760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{30941}}^1$

素因数の和:31143

約数の個数: 160

約数和(自身を含む): 223946809344

約数和(自身を除く): 142839309584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 151, 155, 217, 248, 280, 302, 310, 434, 496, 560, 604, 620, 755, 868, 1057, 1085, 1208, 1240, 1510, 1736, 2114, 2170, 2416, 2480, 3020, 3472, 4228, 4340, 4681, 5285, 6040, 8456, 8680, 9362, 10570, 12080, 16912, 17360, 18724, 21140, 23405, 30941, 32767, 37448, 42280, 46810, 61882, 65534, 74896, 84560, 93620, 123764, 131068, 154705, 163835, 187240, 216587, 247528, 262136, 309410, 327670, 374480, 433174, 495056, 524272, 618820, 655340, 866348, 959171, 1082935, 1237640, 1310680, 1732696, 1918342, 2165870, 2475280, 2621360, 3465392, 3836684, 4331740, 4672091, 4795855, 6714197, 7673368, 8663480, 9344182, 9591710, 13428394, 15346736, 17326960, 18688364, 19183420, 23360455, 26856788, 32704637, 33570985, 37376728, 38366840, 46720910, 53713576, 65409274, 67141970, 74753456, 76733680, 93441820, 107427152, 130818548, 134283940, 144834821, 163523185, 186883640, 261637096, 268567880, 289669642, 327046370, 373767280, 523274192, 537135760, 579339284, 654092740, 724174105, 1013843747, 1158678568, 1308185480, 1448348210, 2027687494, 2317357136, 2616370960, 2896696420, 4055374988, 5069218735, 5793392840, 8110749976, 10138437470, 11586785680, 16221499952, 20276874940, 40553749880, 81107499760]

約数ペア:

[(1, 81107499760), (2, 40553749880), (4, 20276874940), (5, 16221499952), (7, 11586785680), (8, 10138437470), (10, 8110749976), (14, 5793392840), (16, 5069218735), (20, 4055374988), (28, 2896696420), (31, 2616370960), (35, 2317357136), (40, 2027687494), (56, 1448348210), (62, 1308185480), (70, 1158678568), (80, 1013843747), (112, 724174105), (124, 654092740), (140, 579339284), (151, 537135760), (155, 523274192), (217, 373767280), (248, 327046370), (280, 289669642), (302, 268567880), (310, 261637096), (434, 186883640), (496, 163523185), (560, 144834821), (604, 134283940), (620, 130818548), (755, 107427152), (868, 93441820), (1057, 76733680), (1085, 74753456), (1208, 67141970), (1240, 65409274), (1510, 53713576), (1736, 46720910), (2114, 38366840), (2170, 37376728), (2416, 33570985), (2480, 32704637), (3020, 26856788), (3472, 23360455), (4228, 19183420), (4340, 18688364), (4681, 17326960), (5285, 15346736), (6040, 13428394), (8456, 9591710), (8680, 9344182), (9362, 8663480), (10570, 7673368), (12080, 6714197), (16912, 4795855), (17360, 4672091), (18724, 4331740), (21140, 3836684), (23405, 3465392), (30941, 2621360), (32767, 2475280), (37448, 2165870), (42280, 1918342), (46810, 1732696), (61882, 1310680), (65534, 1237640), (74896, 1082935), (84560, 959171), (93620, 866348), (123764, 655340), (131068, 618820), (154705, 524272), (163835, 495056), (187240, 433174), (216587, 374480), (247528, 327670), (262136, 309410)]