7152920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 17405280

約数和(自身を除く): 10252360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 157, 170, 268, 314, 335, 340, 536, 628, 670, 680, 785, 1139, 1256, 1340, 1570, 2278, 2669, 2680, 3140, 4556, 5338, 5695, 6280, 9112, 10519, 10676, 11390, 13345, 21038, 21352, 22780, 26690, 42076, 45560, 52595, 53380, 84152, 105190, 106760, 178823, 210380, 357646, 420760, 715292, 894115, 1430584, 1788230, 3576460, 7152920]

約数ペア:

[(1, 7152920), (2, 3576460), (4, 1788230), (5, 1430584), (8, 894115), (10, 715292), (17, 420760), (20, 357646), (34, 210380), (40, 178823), (67, 106760), (68, 105190), (85, 84152), (134, 53380), (136, 52595), (157, 45560), (170, 42076), (268, 26690), (314, 22780), (335, 21352), (340, 21038), (536, 13345), (628, 11390), (670, 10676), (680, 10519), (785, 9112), (1139, 6280), (1256, 5695), (1340, 5338), (1570, 4556), (2278, 3140), (2669, 2680)]