12961936280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{657299}}^1$

素因数の和:657356

約数の個数: 64

約数和(自身を含む): 31944780000

約数和(自身を除く): 18982843720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1972, 2465, 3944, 4930, 9860, 19720, 657299, 1314598, 2629196, 3286495, 5258392, 6572990, 11174083, 13145980, 19061671, 22348166, 26291960, 38123342, 44696332, 55870415, 76246684, 89392664, 95308355, 111740830, 152493368, 190616710, 223481660, 324048407, 381233420, 446963320, 648096814, 762466840, 1296193628, 1620242035, 2592387256, 3240484070, 6480968140, 12961936280]

約数ペア:

[(1, 12961936280), (2, 6480968140), (4, 3240484070), (5, 2592387256), (8, 1620242035), (10, 1296193628), (17, 762466840), (20, 648096814), (29, 446963320), (34, 381233420), (40, 324048407), (58, 223481660), (68, 190616710), (85, 152493368), (116, 111740830), (136, 95308355), (145, 89392664), (170, 76246684), (232, 55870415), (290, 44696332), (340, 38123342), (493, 26291960), (580, 22348166), (680, 19061671), (986, 13145980), (1160, 11174083), (1972, 6572990), (2465, 5258392), (3944, 3286495), (4930, 2629196), (9860, 1314598), (19720, 657299)]