1445080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 4011840

約数和(自身を除く): 2566760

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, 182, 260, 280, 364, 397, 455, 520, 728, 794, 910, 1588, 1820, 1985, 2779, 3176, 3640, 3970, 5161, 5558, 7940, 10322, 11116, 13895, 15880, 20644, 22232, 25805, 27790, 36127, 41288, 51610, 55580, 72254, 103220, 111160, 144508, 180635, 206440, 289016, 361270, 722540, 1445080]

約数ペア:

[(1, 1445080), (2, 722540), (4, 361270), (5, 289016), (7, 206440), (8, 180635), (10, 144508), (13, 111160), (14, 103220), (20, 72254), (26, 55580), (28, 51610), (35, 41288), (40, 36127), (52, 27790), (56, 25805), (65, 22232), (70, 20644), (91, 15880), (104, 13895), (130, 11116), (140, 10322), (182, 7940), (260, 5558), (280, 5161), (364, 3970), (397, 3640), (455, 3176), (520, 2779), (728, 1985), (794, 1820), (910, 1588)]