156718640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4861}}^1$

素因数の和:4918

約数の個数: 80

約数和(自身を含む): 405140736

約数和(自身を除く): 248422096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 4861, 6448, 8060, 9722, 16120, 19444, 24305, 32240, 38888, 48610, 63193, 77776, 97220, 126386, 150691, 194440, 252772, 301382, 315965, 388880, 505544, 602764, 631930, 753455, 1011088, 1205528, 1263860, 1506910, 1958983, 2411056, 2527720, 3013820, 3917966, 5055440, 6027640, 7835932, 9794915, 12055280, 15671864, 19589830, 31343728, 39179660, 78359320, 156718640]

約数ペア:

[(1, 156718640), (2, 78359320), (4, 39179660), (5, 31343728), (8, 19589830), (10, 15671864), (13, 12055280), (16, 9794915), (20, 7835932), (26, 6027640), (31, 5055440), (40, 3917966), (52, 3013820), (62, 2527720), (65, 2411056), (80, 1958983), (104, 1506910), (124, 1263860), (130, 1205528), (155, 1011088), (208, 753455), (248, 631930), (260, 602764), (310, 505544), (403, 388880), (496, 315965), (520, 301382), (620, 252772), (806, 194440), (1040, 150691), (1240, 126386), (1612, 97220), (2015, 77776), (2480, 63193), (3224, 48610), (4030, 38888), (4861, 32240), (6448, 24305), (8060, 19444), (9722, 16120)]