205977480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1575

約数の個数: 128

約数和(自身を含む): 661564800

約数和(自身を除く): 455587320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 61, 76, 95, 114, 120, 122, 152, 183, 190, 228, 244, 285, 305, 366, 380, 456, 488, 570, 610, 732, 760, 915, 1140, 1159, 1220, 1464, 1481, 1830, 2280, 2318, 2440, 2962, 3477, 3660, 4443, 4636, 5795, 5924, 6954, 7320, 7405, 8886, 9272, 11590, 11848, 13908, 14810, 17385, 17772, 22215, 23180, 27816, 28139, 29620, 34770, 35544, 44430, 46360, 56278, 59240, 69540, 84417, 88860, 90341, 112556, 139080, 140695, 168834, 177720, 180682, 225112, 271023, 281390, 337668, 361364, 422085, 451705, 542046, 562780, 675336, 722728, 844170, 903410, 1084092, 1125560, 1355115, 1688340, 1716479, 1806820, 2168184, 2710230, 3376680, 3432958, 3613640, 5149437, 5420460, 6865916, 8582395, 10298874, 10840920, 13731832, 17164790, 20597748, 25747185, 34329580, 41195496, 51494370, 68659160, 102988740, 205977480]

約数ペア:

[(1, 205977480), (2, 102988740), (3, 68659160), (4, 51494370), (5, 41195496), (6, 34329580), (8, 25747185), (10, 20597748), (12, 17164790), (15, 13731832), (19, 10840920), (20, 10298874), (24, 8582395), (30, 6865916), (38, 5420460), (40, 5149437), (57, 3613640), (60, 3432958), (61, 3376680), (76, 2710230), (95, 2168184), (114, 1806820), (120, 1716479), (122, 1688340), (152, 1355115), (183, 1125560), (190, 1084092), (228, 903410), (244, 844170), (285, 722728), (305, 675336), (366, 562780), (380, 542046), (456, 451705), (488, 422085), (570, 361364), (610, 337668), (732, 281390), (760, 271023), (915, 225112), (1140, 180682), (1159, 177720), (1220, 168834), (1464, 140695), (1481, 139080), (1830, 112556), (2280, 90341), (2318, 88860), (2440, 84417), (2962, 69540), (3477, 59240), (3660, 56278), (4443, 46360), (4636, 44430), (5795, 35544), (5924, 34770), (6954, 29620), (7320, 28139), (7405, 27816), (8886, 23180), (9272, 22215), (11590, 17772), (11848, 17385), (13908, 14810)]