318712560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:495

約数の個数: 160

約数和(自身を含む): 1025291520

約数和(自身を除く): 706578960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 89, 120, 129, 172, 178, 215, 240, 258, 267, 344, 347, 356, 430, 445, 516, 534, 645, 688, 694, 712, 860, 890, 1032, 1041, 1068, 1290, 1335, 1388, 1424, 1720, 1735, 1780, 2064, 2082, 2136, 2580, 2670, 2776, 3440, 3470, 3560, 3827, 4164, 4272, 5160, 5205, 5340, 5552, 6940, 7120, 7654, 8328, 10320, 10410, 10680, 11481, 13880, 14921, 15308, 16656, 19135, 20820, 21360, 22962, 27760, 29842, 30616, 30883, 38270, 41640, 44763, 45924, 57405, 59684, 61232, 61766, 74605, 76540, 83280, 89526, 91848, 92649, 114810, 119368, 123532, 149210, 153080, 154415, 179052, 183696, 185298, 223815, 229620, 238736, 247064, 298420, 306160, 308830, 358104, 370596, 447630, 459240, 463245, 494128, 596840, 617660, 716208, 741192, 895260, 918480, 926490, 1193680, 1235320, 1327969, 1482384, 1790520, 1852980, 2470640, 2655938, 3581040, 3705960, 3983907, 5311876, 6639845, 7411920, 7967814, 10623752, 13279690, 15935628, 19919535, 21247504, 26559380, 31871256, 39839070, 53118760, 63742512, 79678140, 106237520, 159356280, 318712560]

約数ペア:

[(1, 318712560), (2, 159356280), (3, 106237520), (4, 79678140), (5, 63742512), (6, 53118760), (8, 39839070), (10, 31871256), (12, 26559380), (15, 21247504), (16, 19919535), (20, 15935628), (24, 13279690), (30, 10623752), (40, 7967814), (43, 7411920), (48, 6639845), (60, 5311876), (80, 3983907), (86, 3705960), (89, 3581040), (120, 2655938), (129, 2470640), (172, 1852980), (178, 1790520), (215, 1482384), (240, 1327969), (258, 1235320), (267, 1193680), (344, 926490), (347, 918480), (356, 895260), (430, 741192), (445, 716208), (516, 617660), (534, 596840), (645, 494128), (688, 463245), (694, 459240), (712, 447630), (860, 370596), (890, 358104), (1032, 308830), (1041, 306160), (1068, 298420), (1290, 247064), (1335, 238736), (1388, 229620), (1424, 223815), (1720, 185298), (1735, 183696), (1780, 179052), (2064, 154415), (2082, 153080), (2136, 149210), (2580, 123532), (2670, 119368), (2776, 114810), (3440, 92649), (3470, 91848), (3560, 89526), (3827, 83280), (4164, 76540), (4272, 74605), (5160, 61766), (5205, 61232), (5340, 59684), (5552, 57405), (6940, 45924), (7120, 44763), (7654, 41640), (8328, 38270), (10320, 30883), (10410, 30616), (10680, 29842), (11481, 27760), (13880, 22962), (14921, 21360), (15308, 20820), (16656, 19135)]