7997080

素因数分解:

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

素因数の和:70

約数の個数: 80

約数和(自身を含む): 22277520

約数和(自身を除く): 14280440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 169, 182, 260, 280, 338, 364, 455, 520, 676, 728, 845, 910, 1183, 1352, 1690, 1820, 2197, 2366, 3380, 3640, 4394, 4732, 5915, 6760, 8788, 9464, 10985, 11830, 15379, 17576, 21970, 23660, 28561, 30758, 43940, 47320, 57122, 61516, 76895, 87880, 114244, 123032, 142805, 153790, 199927, 228488, 285610, 307580, 399854, 571220, 615160, 799708, 999635, 1142440, 1599416, 1999270, 3998540, 7997080]

約数ペア:

[(1, 7997080), (2, 3998540), (4, 1999270), (5, 1599416), (7, 1142440), (8, 999635), (10, 799708), (13, 615160), (14, 571220), (20, 399854), (26, 307580), (28, 285610), (35, 228488), (40, 199927), (52, 153790), (56, 142805), (65, 123032), (70, 114244), (91, 87880), (104, 76895), (130, 61516), (140, 57122), (169, 47320), (182, 43940), (260, 30758), (280, 28561), (338, 23660), (364, 21970), (455, 17576), (520, 15379), (676, 11830), (728, 10985), (845, 9464), (910, 8788), (1183, 6760), (1352, 5915), (1690, 4732), (1820, 4394), (2197, 3640), (2366, 3380)]