1230320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^3$

素因数の和:59

約数の個数: 80

約数和(自身を含む): 3541440

約数和(自身を除く): 2311120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 182, 208, 260, 280, 338, 364, 455, 520, 560, 676, 728, 845, 910, 1040, 1183, 1352, 1456, 1690, 1820, 2197, 2366, 2704, 3380, 3640, 4394, 4732, 5915, 6760, 7280, 8788, 9464, 10985, 11830, 13520, 15379, 17576, 18928, 21970, 23660, 30758, 35152, 43940, 47320, 61516, 76895, 87880, 94640, 123032, 153790, 175760, 246064, 307580, 615160, 1230320]

約数ペア:

[(1, 1230320), (2, 615160), (4, 307580), (5, 246064), (7, 175760), (8, 153790), (10, 123032), (13, 94640), (14, 87880), (16, 76895), (20, 61516), (26, 47320), (28, 43940), (35, 35152), (40, 30758), (52, 23660), (56, 21970), (65, 18928), (70, 17576), (80, 15379), (91, 13520), (104, 11830), (112, 10985), (130, 9464), (140, 8788), (169, 7280), (182, 6760), (208, 5915), (260, 4732), (280, 4394), (338, 3640), (364, 3380), (455, 2704), (520, 2366), (560, 2197), (676, 1820), (728, 1690), (845, 1456), (910, 1352), (1040, 1183)]