7280494720

素因数分解:

$2^7\times 5^1\times {\mathrm{523}}^1\times {\mathrm{21751}}^1$

素因数の和:22293

約数の個数: 64

約数和(自身を含む): 17439013440

約数和(自身を除く): 10158518720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 523, 640, 1046, 2092, 2615, 4184, 5230, 8368, 10460, 16736, 20920, 21751, 33472, 41840, 43502, 66944, 83680, 87004, 108755, 167360, 174008, 217510, 334720, 348016, 435020, 696032, 870040, 1392064, 1740080, 2784128, 3480160, 6960320, 11375773, 13920640, 22751546, 45503092, 56878865, 91006184, 113757730, 182012368, 227515460, 364024736, 455030920, 728049472, 910061840, 1456098944, 1820123680, 3640247360, 7280494720]

約数ペア:

[(1, 7280494720), (2, 3640247360), (4, 1820123680), (5, 1456098944), (8, 910061840), (10, 728049472), (16, 455030920), (20, 364024736), (32, 227515460), (40, 182012368), (64, 113757730), (80, 91006184), (128, 56878865), (160, 45503092), (320, 22751546), (523, 13920640), (640, 11375773), (1046, 6960320), (2092, 3480160), (2615, 2784128), (4184, 1740080), (5230, 1392064), (8368, 870040), (10460, 696032), (16736, 435020), (20920, 348016), (21751, 334720), (33472, 217510), (41840, 174008), (43502, 167360), (66944, 108755), (83680, 87004)]