198501720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20939}}^1$

素因数の和:21032

約数の個数: 64

約数和(自身を含む): 603072000

約数和(自身を除く): 404570280

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, 20939, 41878, 62817, 83756, 104695, 125634, 167512, 209390, 251268, 314085, 418780, 502536, 628170, 837560, 1256340, 1654181, 2512680, 3308362, 4962543, 6616724, 8270905, 9925086, 13233448, 16541810, 19850172, 24812715, 33083620, 39700344, 49625430, 66167240, 99250860, 198501720]

約数ペア:

[(1, 198501720), (2, 99250860), (3, 66167240), (4, 49625430), (5, 39700344), (6, 33083620), (8, 24812715), (10, 19850172), (12, 16541810), (15, 13233448), (20, 9925086), (24, 8270905), (30, 6616724), (40, 4962543), (60, 3308362), (79, 2512680), (120, 1654181), (158, 1256340), (237, 837560), (316, 628170), (395, 502536), (474, 418780), (632, 314085), (790, 251268), (948, 209390), (1185, 167512), (1580, 125634), (1896, 104695), (2370, 83756), (3160, 62817), (4740, 41878), (9480, 20939)]