280860120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2357}}^1$

素因数の和:2705

約数の個数: 96

約数和(自身を含む): 915941520

約数和(自身を除く): 635081400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 331, 360, 662, 993, 1324, 1655, 1986, 2357, 2648, 2979, 3310, 3972, 4714, 4965, 5958, 6620, 7071, 7944, 9428, 9930, 11785, 11916, 13240, 14142, 14895, 18856, 19860, 21213, 23570, 23832, 28284, 29790, 35355, 39720, 42426, 47140, 56568, 59580, 70710, 84852, 94280, 106065, 119160, 141420, 169704, 212130, 282840, 424260, 780167, 848520, 1560334, 2340501, 3120668, 3900835, 4681002, 6241336, 7021503, 7801670, 9362004, 11702505, 14043006, 15603340, 18724008, 23405010, 28086012, 31206680, 35107515, 46810020, 56172024, 70215030, 93620040, 140430060, 280860120]

約数ペア:

[(1, 280860120), (2, 140430060), (3, 93620040), (4, 70215030), (5, 56172024), (6, 46810020), (8, 35107515), (9, 31206680), (10, 28086012), (12, 23405010), (15, 18724008), (18, 15603340), (20, 14043006), (24, 11702505), (30, 9362004), (36, 7801670), (40, 7021503), (45, 6241336), (60, 4681002), (72, 3900835), (90, 3120668), (120, 2340501), (180, 1560334), (331, 848520), (360, 780167), (662, 424260), (993, 282840), (1324, 212130), (1655, 169704), (1986, 141420), (2357, 119160), (2648, 106065), (2979, 94280), (3310, 84852), (3972, 70710), (4714, 59580), (4965, 56568), (5958, 47140), (6620, 42426), (7071, 39720), (7944, 35355), (9428, 29790), (9930, 28284), (11785, 23832), (11916, 23570), (13240, 21213), (14142, 19860), (14895, 18856)]