3120520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 8028720

約数和(自身を除く): 4908200

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 353, 442, 520, 680, 706, 884, 1105, 1412, 1765, 1768, 2210, 2824, 3530, 4420, 4589, 6001, 7060, 8840, 9178, 12002, 14120, 18356, 22945, 24004, 30005, 36712, 45890, 48008, 60010, 78013, 91780, 120020, 156026, 183560, 240040, 312052, 390065, 624104, 780130, 1560260, 3120520]

約数ペア:

[(1, 3120520), (2, 1560260), (4, 780130), (5, 624104), (8, 390065), (10, 312052), (13, 240040), (17, 183560), (20, 156026), (26, 120020), (34, 91780), (40, 78013), (52, 60010), (65, 48008), (68, 45890), (85, 36712), (104, 30005), (130, 24004), (136, 22945), (170, 18356), (221, 14120), (260, 12002), (340, 9178), (353, 8840), (442, 7060), (520, 6001), (680, 4589), (706, 4420), (884, 3530), (1105, 2824), (1412, 2210), (1765, 1768)]