87911680

素因数分解:

$2^8\times 5^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 212326632

約数和(自身を除く): 124414952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 320, 346, 397, 640, 692, 794, 865, 1280, 1384, 1588, 1730, 1985, 2768, 3176, 3460, 3970, 5536, 6352, 6920, 7940, 11072, 12704, 13840, 15880, 22144, 25408, 27680, 31760, 44288, 50816, 55360, 63520, 68681, 101632, 110720, 127040, 137362, 221440, 254080, 274724, 343405, 508160, 549448, 686810, 1098896, 1373620, 2197792, 2747240, 4395584, 5494480, 8791168, 10988960, 17582336, 21977920, 43955840, 87911680]

約数ペア:

[(1, 87911680), (2, 43955840), (4, 21977920), (5, 17582336), (8, 10988960), (10, 8791168), (16, 5494480), (20, 4395584), (32, 2747240), (40, 2197792), (64, 1373620), (80, 1098896), (128, 686810), (160, 549448), (173, 508160), (256, 343405), (320, 274724), (346, 254080), (397, 221440), (640, 137362), (692, 127040), (794, 110720), (865, 101632), (1280, 68681), (1384, 63520), (1588, 55360), (1730, 50816), (1985, 44288), (2768, 31760), (3176, 27680), (3460, 25408), (3970, 22144), (5536, 15880), (6352, 13840), (6920, 12704), (7940, 11072)]