78399240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38431}}^1$

素因数の和:38462

約数の個数: 64

約数和(自身を含む): 249039360

約数和(自身を除く): 170640120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 38431, 76862, 115293, 153724, 192155, 230586, 307448, 384310, 461172, 576465, 653327, 768620, 922344, 1152930, 1306654, 1537240, 1959981, 2305860, 2613308, 3266635, 3919962, 4611720, 5226616, 6533270, 7839924, 9799905, 13066540, 15679848, 19599810, 26133080, 39199620, 78399240]

約数ペア:

[(1, 78399240), (2, 39199620), (3, 26133080), (4, 19599810), (5, 15679848), (6, 13066540), (8, 9799905), (10, 7839924), (12, 6533270), (15, 5226616), (17, 4611720), (20, 3919962), (24, 3266635), (30, 2613308), (34, 2305860), (40, 1959981), (51, 1537240), (60, 1306654), (68, 1152930), (85, 922344), (102, 768620), (120, 653327), (136, 576465), (170, 461172), (204, 384310), (255, 307448), (340, 230586), (408, 192155), (510, 153724), (680, 115293), (1020, 76862), (2040, 38431)]