520590720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20857}}^1$

素因数の和:20892

約数の個数: 128

約数和(自身を含む): 1787113440

約数和(自身を除く): 1266522720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 20857, 24960, 41714, 62571, 83428, 104285, 125142, 166856, 208570, 250284, 271141, 312855, 333712, 417140, 500568, 542282, 625710, 667424, 813423, 834280, 1001136, 1084564, 1251420, 1334848, 1355705, 1626846, 1668560, 2002272, 2169128, 2502840, 2669696, 2711410, 3253692, 3337120, 4004544, 4067115, 4338256, 5005680, 5422820, 6507384, 6674240, 8009088, 8134230, 8676512, 10011360, 10845640, 13014768, 13348480, 16268460, 17353024, 20022720, 21691280, 26029536, 32536920, 34706048, 40045440, 43382560, 52059072, 65073840, 86765120, 104118144, 130147680, 173530240, 260295360, 520590720]

約数ペア:

[(1, 520590720), (2, 260295360), (3, 173530240), (4, 130147680), (5, 104118144), (6, 86765120), (8, 65073840), (10, 52059072), (12, 43382560), (13, 40045440), (15, 34706048), (16, 32536920), (20, 26029536), (24, 21691280), (26, 20022720), (30, 17353024), (32, 16268460), (39, 13348480), (40, 13014768), (48, 10845640), (52, 10011360), (60, 8676512), (64, 8134230), (65, 8009088), (78, 6674240), (80, 6507384), (96, 5422820), (104, 5005680), (120, 4338256), (128, 4067115), (130, 4004544), (156, 3337120), (160, 3253692), (192, 2711410), (195, 2669696), (208, 2502840), (240, 2169128), (260, 2002272), (312, 1668560), (320, 1626846), (384, 1355705), (390, 1334848), (416, 1251420), (480, 1084564), (520, 1001136), (624, 834280), (640, 813423), (780, 667424), (832, 625710), (960, 542282), (1040, 500568), (1248, 417140), (1560, 333712), (1664, 312855), (1920, 271141), (2080, 250284), (2496, 208570), (3120, 166856), (4160, 125142), (4992, 104285), (6240, 83428), (8320, 62571), (12480, 41714), (20857, 24960)]