31496920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:557

約数の個数: 128

約数和(自身を含む): 92534400

約数和(自身を除く): 61037480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 509, 520, 595, 680, 728, 884, 910, 952, 1018, 1105, 1190, 1547, 1768, 1820, 2036, 2210, 2380, 2545, 3094, 3563, 3640, 4072, 4420, 4760, 5090, 6188, 6617, 7126, 7735, 8653, 8840, 10180, 12376, 13234, 14252, 15470, 17306, 17815, 20360, 26468, 28504, 30940, 33085, 34612, 35630, 43265, 46319, 52936, 60571, 61880, 66170, 69224, 71260, 86530, 92638, 112489, 121142, 132340, 142520, 173060, 185276, 224978, 231595, 242284, 264680, 302855, 346120, 370552, 449956, 463190, 484568, 562445, 605710, 787423, 899912, 926380, 1124890, 1211420, 1574846, 1852760, 2249780, 2422840, 3149692, 3937115, 4499560, 6299384, 7874230, 15748460, 31496920]

約数ペア:

[(1, 31496920), (2, 15748460), (4, 7874230), (5, 6299384), (7, 4499560), (8, 3937115), (10, 3149692), (13, 2422840), (14, 2249780), (17, 1852760), (20, 1574846), (26, 1211420), (28, 1124890), (34, 926380), (35, 899912), (40, 787423), (52, 605710), (56, 562445), (65, 484568), (68, 463190), (70, 449956), (85, 370552), (91, 346120), (104, 302855), (119, 264680), (130, 242284), (136, 231595), (140, 224978), (170, 185276), (182, 173060), (221, 142520), (238, 132340), (260, 121142), (280, 112489), (340, 92638), (364, 86530), (442, 71260), (455, 69224), (476, 66170), (509, 61880), (520, 60571), (595, 52936), (680, 46319), (728, 43265), (884, 35630), (910, 34612), (952, 33085), (1018, 30940), (1105, 28504), (1190, 26468), (1547, 20360), (1768, 17815), (1820, 17306), (2036, 15470), (2210, 14252), (2380, 13234), (2545, 12376), (3094, 10180), (3563, 8840), (3640, 8653), (4072, 7735), (4420, 7126), (4760, 6617), (5090, 6188)]