19705440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:752

約数の個数: 96

約数和(自身を含む): 63183456

約数和(自身を除く): 43478016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 80, 96, 120, 122, 160, 183, 240, 244, 305, 366, 480, 488, 610, 673, 732, 915, 976, 1220, 1346, 1464, 1830, 1952, 2019, 2440, 2692, 2928, 3365, 3660, 4038, 4880, 5384, 5856, 6730, 7320, 8076, 9760, 10095, 10768, 13460, 14640, 16152, 20190, 21536, 26920, 29280, 32304, 40380, 41053, 53840, 64608, 80760, 82106, 107680, 123159, 161520, 164212, 205265, 246318, 323040, 328424, 410530, 492636, 615795, 656848, 821060, 985272, 1231590, 1313696, 1642120, 1970544, 2463180, 3284240, 3941088, 4926360, 6568480, 9852720, 19705440]

約数ペア:

[(1, 19705440), (2, 9852720), (3, 6568480), (4, 4926360), (5, 3941088), (6, 3284240), (8, 2463180), (10, 1970544), (12, 1642120), (15, 1313696), (16, 1231590), (20, 985272), (24, 821060), (30, 656848), (32, 615795), (40, 492636), (48, 410530), (60, 328424), (61, 323040), (80, 246318), (96, 205265), (120, 164212), (122, 161520), (160, 123159), (183, 107680), (240, 82106), (244, 80760), (305, 64608), (366, 53840), (480, 41053), (488, 40380), (610, 32304), (673, 29280), (732, 26920), (915, 21536), (976, 20190), (1220, 16152), (1346, 14640), (1464, 13460), (1830, 10768), (1952, 10095), (2019, 9760), (2440, 8076), (2692, 7320), (2928, 6730), (3365, 5856), (3660, 5384), (4038, 4880)]