72065720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{809}}^1$

素因数の和:968

約数の個数: 64

約数和(自身を含む): 173210400

約数和(自身を除く): 101144680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 131, 136, 170, 262, 340, 524, 655, 680, 809, 1048, 1310, 1618, 2227, 2620, 3236, 4045, 4454, 5240, 6472, 8090, 8908, 11135, 13753, 16180, 17816, 22270, 27506, 32360, 44540, 55012, 68765, 89080, 105979, 110024, 137530, 211958, 275060, 423916, 529895, 550120, 847832, 1059790, 1801643, 2119580, 3603286, 4239160, 7206572, 9008215, 14413144, 18016430, 36032860, 72065720]

約数ペア:

[(1, 72065720), (2, 36032860), (4, 18016430), (5, 14413144), (8, 9008215), (10, 7206572), (17, 4239160), (20, 3603286), (34, 2119580), (40, 1801643), (68, 1059790), (85, 847832), (131, 550120), (136, 529895), (170, 423916), (262, 275060), (340, 211958), (524, 137530), (655, 110024), (680, 105979), (809, 89080), (1048, 68765), (1310, 55012), (1618, 44540), (2227, 32360), (2620, 27506), (3236, 22270), (4045, 17816), (4454, 16180), (5240, 13753), (6472, 11135), (8090, 8908)]