71429680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{557}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 190969920

約数和(自身を除く): 119540240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 229, 280, 458, 557, 560, 916, 1114, 1145, 1603, 1832, 2228, 2290, 2785, 3206, 3664, 3899, 4456, 4580, 5570, 6412, 7798, 8015, 8912, 9160, 11140, 12824, 15596, 16030, 18320, 19495, 22280, 25648, 31192, 32060, 38990, 44560, 62384, 64120, 77980, 127553, 128240, 155960, 255106, 311920, 510212, 637765, 892871, 1020424, 1275530, 1785742, 2040848, 2551060, 3571484, 4464355, 5102120, 7142968, 8928710, 10204240, 14285936, 17857420, 35714840, 71429680]

約数ペア:

[(1, 71429680), (2, 35714840), (4, 17857420), (5, 14285936), (7, 10204240), (8, 8928710), (10, 7142968), (14, 5102120), (16, 4464355), (20, 3571484), (28, 2551060), (35, 2040848), (40, 1785742), (56, 1275530), (70, 1020424), (80, 892871), (112, 637765), (140, 510212), (229, 311920), (280, 255106), (458, 155960), (557, 128240), (560, 127553), (916, 77980), (1114, 64120), (1145, 62384), (1603, 44560), (1832, 38990), (2228, 32060), (2290, 31192), (2785, 25648), (3206, 22280), (3664, 19495), (3899, 18320), (4456, 16030), (4580, 15596), (5570, 12824), (6412, 11140), (7798, 9160), (8015, 8912)]