198691320

素因数分解:

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

素因数の和:21052

約数の個数: 64

約数和(自身を含む): 603648000

約数和(自身を除く): 404956680

約数列:

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

約数ペア:

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