71832920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2011}}^1$

素因数の和:2088

約数の個数: 64

約数和(自身を含む): 173836800

約数和(自身を除く): 102003880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 2011, 3572, 4022, 4465, 7144, 8044, 8930, 10055, 16088, 17860, 20110, 35720, 38209, 40220, 76418, 80440, 94517, 152836, 189034, 191045, 305672, 378068, 382090, 472585, 756136, 764180, 945170, 1528360, 1795823, 1890340, 3591646, 3780680, 7183292, 8979115, 14366584, 17958230, 35916460, 71832920]

約数ペア:

[(1, 71832920), (2, 35916460), (4, 17958230), (5, 14366584), (8, 8979115), (10, 7183292), (19, 3780680), (20, 3591646), (38, 1890340), (40, 1795823), (47, 1528360), (76, 945170), (94, 764180), (95, 756136), (152, 472585), (188, 382090), (190, 378068), (235, 305672), (376, 191045), (380, 189034), (470, 152836), (760, 94517), (893, 80440), (940, 76418), (1786, 40220), (1880, 38209), (2011, 35720), (3572, 20110), (4022, 17860), (4465, 16088), (7144, 10055), (8044, 8930)]