642782280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{3371}}^1$

素因数の和:3619

約数の個数: 128

約数和(自身を含む): 2214190080

約数和(自身を除く): 1571407800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 227, 280, 420, 454, 681, 840, 908, 1135, 1362, 1589, 1816, 2270, 2724, 3178, 3371, 3405, 4540, 4767, 5448, 6356, 6742, 6810, 7945, 9080, 9534, 10113, 12712, 13484, 13620, 15890, 16855, 19068, 20226, 23597, 23835, 26968, 27240, 31780, 33710, 38136, 40452, 47194, 47670, 50565, 63560, 67420, 70791, 80904, 94388, 95340, 101130, 117985, 134840, 141582, 188776, 190680, 202260, 235970, 283164, 353955, 404520, 471940, 566328, 707910, 765217, 943880, 1415820, 1530434, 2295651, 2831640, 3060868, 3826085, 4591302, 5356519, 6121736, 7652170, 9182604, 10713038, 11478255, 15304340, 16069557, 18365208, 21426076, 22956510, 26782595, 30608680, 32139114, 42852152, 45913020, 53565190, 64278228, 80347785, 91826040, 107130380, 128556456, 160695570, 214260760, 321391140, 642782280]

約数ペア:

[(1, 642782280), (2, 321391140), (3, 214260760), (4, 160695570), (5, 128556456), (6, 107130380), (7, 91826040), (8, 80347785), (10, 64278228), (12, 53565190), (14, 45913020), (15, 42852152), (20, 32139114), (21, 30608680), (24, 26782595), (28, 22956510), (30, 21426076), (35, 18365208), (40, 16069557), (42, 15304340), (56, 11478255), (60, 10713038), (70, 9182604), (84, 7652170), (105, 6121736), (120, 5356519), (140, 4591302), (168, 3826085), (210, 3060868), (227, 2831640), (280, 2295651), (420, 1530434), (454, 1415820), (681, 943880), (840, 765217), (908, 707910), (1135, 566328), (1362, 471940), (1589, 404520), (1816, 353955), (2270, 283164), (2724, 235970), (3178, 202260), (3371, 190680), (3405, 188776), (4540, 141582), (4767, 134840), (5448, 117985), (6356, 101130), (6742, 95340), (6810, 94388), (7945, 80904), (9080, 70791), (9534, 67420), (10113, 63560), (12712, 50565), (13484, 47670), (13620, 47194), (15890, 40452), (16855, 38136), (19068, 33710), (20226, 31780), (23597, 27240), (23835, 26968)]