121746920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2089}}^1$

素因数の和:2178

約数の個数: 64

約数和(自身を含む): 288921600

約数和(自身を除く): 167174680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1240, 1457, 1880, 2089, 2914, 4178, 5828, 7285, 8356, 10445, 11656, 14570, 16712, 20890, 29140, 41780, 58280, 64759, 83560, 98183, 129518, 196366, 259036, 323795, 392732, 490915, 518072, 647590, 785464, 981830, 1295180, 1963660, 2590360, 3043673, 3927320, 6087346, 12174692, 15218365, 24349384, 30436730, 60873460, 121746920]

約数ペア:

[(1, 121746920), (2, 60873460), (4, 30436730), (5, 24349384), (8, 15218365), (10, 12174692), (20, 6087346), (31, 3927320), (40, 3043673), (47, 2590360), (62, 1963660), (94, 1295180), (124, 981830), (155, 785464), (188, 647590), (235, 518072), (248, 490915), (310, 392732), (376, 323795), (470, 259036), (620, 196366), (940, 129518), (1240, 98183), (1457, 83560), (1880, 64759), (2089, 58280), (2914, 41780), (4178, 29140), (5828, 20890), (7285, 16712), (8356, 14570), (10445, 11656)]