657276360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421331}}^1$

素因数の和:421358

約数の個数: 64

約数和(自身を含む): 2123513280

約数和(自身を除く): 1466236920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 421331, 842662, 1263993, 1685324, 2106655, 2527986, 3370648, 4213310, 5055972, 5477303, 6319965, 8426620, 10111944, 10954606, 12639930, 16431909, 16853240, 21909212, 25279860, 27386515, 32863818, 43818424, 50559720, 54773030, 65727636, 82159545, 109546060, 131455272, 164319090, 219092120, 328638180, 657276360]

約数ペア:

[(1, 657276360), (2, 328638180), (3, 219092120), (4, 164319090), (5, 131455272), (6, 109546060), (8, 82159545), (10, 65727636), (12, 54773030), (13, 50559720), (15, 43818424), (20, 32863818), (24, 27386515), (26, 25279860), (30, 21909212), (39, 16853240), (40, 16431909), (52, 12639930), (60, 10954606), (65, 10111944), (78, 8426620), (104, 6319965), (120, 5477303), (130, 5055972), (156, 4213310), (195, 3370648), (260, 2527986), (312, 2106655), (390, 1685324), (520, 1263993), (780, 842662), (1560, 421331)]