1663821280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{55609}}^1$

素因数の和:55652

約数の個数: 96

約数和(自身を含む): 4540445280

約数和(自身を除く): 2876624000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 680, 748, 880, 935, 1360, 1496, 1760, 1870, 2720, 2992, 3740, 5984, 7480, 14960, 29920, 55609, 111218, 222436, 278045, 444872, 556090, 611699, 889744, 945353, 1112180, 1223398, 1779488, 1890706, 2224360, 2446796, 3058495, 3781412, 4448720, 4726765, 4893592, 6116990, 7562824, 8897440, 9453530, 9787184, 10398883, 12233980, 15125648, 18907060, 19574368, 20797766, 24467960, 30251296, 37814120, 41595532, 48935920, 51994415, 75628240, 83191064, 97871840, 103988830, 151256480, 166382128, 207977660, 332764256, 415955320, 831910640, 1663821280]

約数ペア:

[(1, 1663821280), (2, 831910640), (4, 415955320), (5, 332764256), (8, 207977660), (10, 166382128), (11, 151256480), (16, 103988830), (17, 97871840), (20, 83191064), (22, 75628240), (32, 51994415), (34, 48935920), (40, 41595532), (44, 37814120), (55, 30251296), (68, 24467960), (80, 20797766), (85, 19574368), (88, 18907060), (110, 15125648), (136, 12233980), (160, 10398883), (170, 9787184), (176, 9453530), (187, 8897440), (220, 7562824), (272, 6116990), (340, 4893592), (352, 4726765), (374, 4448720), (440, 3781412), (544, 3058495), (680, 2446796), (748, 2224360), (880, 1890706), (935, 1779488), (1360, 1223398), (1496, 1112180), (1760, 945353), (1870, 889744), (2720, 611699), (2992, 556090), (3740, 444872), (5984, 278045), (7480, 222436), (14960, 111218), (29920, 55609)]