26520

素因数分解:

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

素因数の和:44

約数の個数: 64

約数和(自身を含む): 90720

約数和(自身を除く): 64200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 8840, 13260, 26520]

約数ペア:

[(1, 26520), (2, 13260), (3, 8840), (4, 6630), (5, 5304), (6, 4420), (8, 3315), (10, 2652), (12, 2210), (13, 2040), (15, 1768), (17, 1560), (20, 1326), (24, 1105), (26, 1020), (30, 884), (34, 780), (39, 680), (40, 663), (51, 520), (52, 510), (60, 442), (65, 408), (68, 390), (78, 340), (85, 312), (102, 260), (104, 255), (120, 221), (130, 204), (136, 195), (156, 170)]