397382640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20959}}^1$

素因数の和:21054

約数の個数: 80

約数和(自身を含む): 1247539200

約数和(自身を除く): 850156560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4740, 6320, 9480, 18960, 20959, 41918, 62877, 83836, 104795, 125754, 167672, 209590, 251508, 314385, 335344, 419180, 503016, 628770, 838360, 1006032, 1257540, 1655761, 1676720, 2515080, 3311522, 4967283, 5030160, 6623044, 8278805, 9934566, 13246088, 16557610, 19869132, 24836415, 26492176, 33115220, 39738264, 49672830, 66230440, 79476528, 99345660, 132460880, 198691320, 397382640]

約数ペア:

[(1, 397382640), (2, 198691320), (3, 132460880), (4, 99345660), (5, 79476528), (6, 66230440), (8, 49672830), (10, 39738264), (12, 33115220), (15, 26492176), (16, 24836415), (20, 19869132), (24, 16557610), (30, 13246088), (40, 9934566), (48, 8278805), (60, 6623044), (79, 5030160), (80, 4967283), (120, 3311522), (158, 2515080), (237, 1676720), (240, 1655761), (316, 1257540), (395, 1006032), (474, 838360), (632, 628770), (790, 503016), (948, 419180), (1185, 335344), (1264, 314385), (1580, 251508), (1896, 209590), (2370, 167672), (3160, 125754), (3792, 104795), (4740, 83836), (6320, 62877), (9480, 41918), (18960, 20959)]