156764240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:484

約数の個数: 80

約数和(自身を含む): 376464000

約数和(自身を除く): 219699760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 199, 215, 229, 344, 398, 430, 458, 688, 796, 860, 916, 995, 1145, 1592, 1720, 1832, 1990, 2290, 3184, 3440, 3664, 3980, 4580, 7960, 8557, 9160, 9847, 15920, 17114, 18320, 19694, 34228, 39388, 42785, 45571, 49235, 68456, 78776, 85570, 91142, 98470, 136912, 157552, 171140, 182284, 196940, 227855, 342280, 364568, 393880, 455710, 684560, 729136, 787760, 911420, 1822840, 1959553, 3645680, 3919106, 7838212, 9797765, 15676424, 19595530, 31352848, 39191060, 78382120, 156764240]

約数ペア:

[(1, 156764240), (2, 78382120), (4, 39191060), (5, 31352848), (8, 19595530), (10, 15676424), (16, 9797765), (20, 7838212), (40, 3919106), (43, 3645680), (80, 1959553), (86, 1822840), (172, 911420), (199, 787760), (215, 729136), (229, 684560), (344, 455710), (398, 393880), (430, 364568), (458, 342280), (688, 227855), (796, 196940), (860, 182284), (916, 171140), (995, 157552), (1145, 136912), (1592, 98470), (1720, 91142), (1832, 85570), (1990, 78776), (2290, 68456), (3184, 49235), (3440, 45571), (3664, 42785), (3980, 39388), (4580, 34228), (7960, 19694), (8557, 18320), (9160, 17114), (9847, 15920)]