72410920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 169646400

約数和(自身を除く): 97235480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 536, 659, 670, 820, 1318, 1340, 1640, 2636, 2680, 2747, 3295, 5272, 5494, 6590, 10988, 13180, 13735, 21976, 26360, 27019, 27470, 44153, 54038, 54940, 88306, 108076, 109880, 135095, 176612, 216152, 220765, 270190, 353224, 441530, 540380, 883060, 1080760, 1766120, 1810273, 3620546, 7241092, 9051365, 14482184, 18102730, 36205460, 72410920]

約数ペア:

[(1, 72410920), (2, 36205460), (4, 18102730), (5, 14482184), (8, 9051365), (10, 7241092), (20, 3620546), (40, 1810273), (41, 1766120), (67, 1080760), (82, 883060), (134, 540380), (164, 441530), (205, 353224), (268, 270190), (328, 220765), (335, 216152), (410, 176612), (536, 135095), (659, 109880), (670, 108076), (820, 88306), (1318, 54940), (1340, 54038), (1640, 44153), (2636, 27470), (2680, 27019), (2747, 26360), (3295, 21976), (5272, 13735), (5494, 13180), (6590, 10988)]