258495720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{307733}}^1$

素因数の和:307754

約数の個数: 64

約数和(自身を含む): 886273920

約数和(自身を除く): 627778200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 307733, 615466, 923199, 1230932, 1538665, 1846398, 2154131, 2461864, 3077330, 3692796, 4308262, 4615995, 6154660, 6462393, 7385592, 8616524, 9231990, 10770655, 12309320, 12924786, 17233048, 18463980, 21541310, 25849572, 32311965, 36927960, 43082620, 51699144, 64623930, 86165240, 129247860, 258495720]

約数ペア:

[(1, 258495720), (2, 129247860), (3, 86165240), (4, 64623930), (5, 51699144), (6, 43082620), (7, 36927960), (8, 32311965), (10, 25849572), (12, 21541310), (14, 18463980), (15, 17233048), (20, 12924786), (21, 12309320), (24, 10770655), (28, 9231990), (30, 8616524), (35, 7385592), (40, 6462393), (42, 6154660), (56, 4615995), (60, 4308262), (70, 3692796), (84, 3077330), (105, 2461864), (120, 2154131), (140, 1846398), (168, 1538665), (210, 1230932), (280, 923199), (420, 615466), (840, 307733)]