129806640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{180287}}^1$

素因数の和:180306

約数の個数: 60

約数和(自身を含む): 435936384

約数和(自身を除く): 306129744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 180287, 360574, 540861, 721148, 901435, 1081722, 1442296, 1622583, 1802870, 2163444, 2704305, 2884592, 3245166, 3605740, 4326888, 5408610, 6490332, 7211480, 8112915, 8653776, 10817220, 12980664, 14422960, 16225830, 21634440, 25961328, 32451660, 43268880, 64903320, 129806640]

約数ペア:

[(1, 129806640), (2, 64903320), (3, 43268880), (4, 32451660), (5, 25961328), (6, 21634440), (8, 16225830), (9, 14422960), (10, 12980664), (12, 10817220), (15, 8653776), (16, 8112915), (18, 7211480), (20, 6490332), (24, 5408610), (30, 4326888), (36, 3605740), (40, 3245166), (45, 2884592), (48, 2704305), (60, 2163444), (72, 1802870), (80, 1622583), (90, 1442296), (120, 1081722), (144, 901435), (180, 721148), (240, 540861), (360, 360574), (720, 180287)]