86981370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 248832000

約数和(自身を除く): 161850630

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 79, 98, 105, 107, 147, 158, 210, 214, 237, 245, 294, 321, 343, 395, 474, 490, 535, 553, 642, 686, 735, 749, 790, 1029, 1070, 1106, 1185, 1470, 1498, 1605, 1659, 1715, 2058, 2247, 2370, 2765, 3210, 3318, 3430, 3745, 3871, 4494, 5145, 5243, 5530, 7490, 7742, 8295, 8453, 10290, 10486, 11235, 11613, 15729, 16590, 16906, 19355, 22470, 23226, 25359, 26215, 27097, 31458, 36701, 38710, 42265, 50718, 52430, 54194, 58065, 59171, 73402, 78645, 81291, 84530, 110103, 116130, 118342, 126795, 135485, 157290, 162582, 177513, 183505, 220206, 253590, 270970, 295855, 355026, 367010, 406455, 414197, 550515, 591710, 812910, 828394, 887565, 1101030, 1242591, 1775130, 2070985, 2485182, 2899379, 4141970, 5798758, 6212955, 8698137, 12425910, 14496895, 17396274, 28993790, 43490685, 86981370]

約数ペア:

[(1, 86981370), (2, 43490685), (3, 28993790), (5, 17396274), (6, 14496895), (7, 12425910), (10, 8698137), (14, 6212955), (15, 5798758), (21, 4141970), (30, 2899379), (35, 2485182), (42, 2070985), (49, 1775130), (70, 1242591), (79, 1101030), (98, 887565), (105, 828394), (107, 812910), (147, 591710), (158, 550515), (210, 414197), (214, 406455), (237, 367010), (245, 355026), (294, 295855), (321, 270970), (343, 253590), (395, 220206), (474, 183505), (490, 177513), (535, 162582), (553, 157290), (642, 135485), (686, 126795), (735, 118342), (749, 116130), (790, 110103), (1029, 84530), (1070, 81291), (1106, 78645), (1185, 73402), (1470, 59171), (1498, 58065), (1605, 54194), (1659, 52430), (1715, 50718), (2058, 42265), (2247, 38710), (2370, 36701), (2765, 31458), (3210, 27097), (3318, 26215), (3430, 25359), (3745, 23226), (3871, 22470), (4494, 19355), (5145, 16906), (5243, 16590), (5530, 15729), (7490, 11613), (7742, 11235), (8295, 10486), (8453, 10290)]