31306520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6577}}^1$

素因数の和:6612

約数の個数: 64

約数和(自身を含む): 85250880

約数和(自身を除く): 53944360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 6577, 13154, 26308, 32885, 46039, 52616, 65770, 92078, 111809, 131540, 184156, 223618, 230195, 263080, 368312, 447236, 460390, 559045, 782663, 894472, 920780, 1118090, 1565326, 1841560, 2236180, 3130652, 3913315, 4472360, 6261304, 7826630, 15653260, 31306520]

約数ペア:

[(1, 31306520), (2, 15653260), (4, 7826630), (5, 6261304), (7, 4472360), (8, 3913315), (10, 3130652), (14, 2236180), (17, 1841560), (20, 1565326), (28, 1118090), (34, 920780), (35, 894472), (40, 782663), (56, 559045), (68, 460390), (70, 447236), (85, 368312), (119, 263080), (136, 230195), (140, 223618), (170, 184156), (238, 131540), (280, 111809), (340, 92078), (476, 65770), (595, 52616), (680, 46039), (952, 32885), (1190, 26308), (2380, 13154), (4760, 6577)]