217270620

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:505

約数の個数: 192

約数和(自身を含む): 778982400

約数和(自身を除く): 561711780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 229, 251, 252, 270, 315, 378, 420, 458, 502, 540, 630, 687, 753, 756, 916, 945, 1004, 1145, 1255, 1260, 1374, 1506, 1603, 1757, 1890, 2061, 2259, 2290, 2510, 2748, 3012, 3206, 3435, 3514, 3765, 3780, 4122, 4518, 4580, 4809, 5020, 5271, 6183, 6412, 6777, 6870, 7028, 7530, 8015, 8244, 8785, 9036, 9618, 10305, 10542, 11295, 12366, 13554, 13740, 14427, 15060, 15813, 16030, 17570, 19236, 20610, 21084, 22590, 24045, 24732, 26355, 27108, 28854, 30915, 31626, 32060, 33885, 35140, 41220, 43281, 45180, 47439, 48090, 52710, 57479, 57708, 61830, 63252, 67770, 72135, 79065, 86562, 94878, 96180, 105420, 114958, 123660, 135540, 144270, 158130, 172437, 173124, 189756, 216405, 229916, 237195, 287395, 288540, 316260, 344874, 402353, 432810, 474390, 517311, 574790, 689748, 804706, 862185, 865620, 948780, 1034622, 1149580, 1207059, 1551933, 1609412, 1724370, 2011765, 2069244, 2414118, 2586555, 3103866, 3448740, 3621177, 4023530, 4828236, 5173110, 6035295, 6207732, 7242354, 7759665, 8047060, 10346220, 10863531, 12070590, 14484708, 15519330, 18105885, 21727062, 24141180, 31038660, 36211770, 43454124, 54317655, 72423540, 108635310, 217270620]

約数ペア:

[(1, 217270620), (2, 108635310), (3, 72423540), (4, 54317655), (5, 43454124), (6, 36211770), (7, 31038660), (9, 24141180), (10, 21727062), (12, 18105885), (14, 15519330), (15, 14484708), (18, 12070590), (20, 10863531), (21, 10346220), (27, 8047060), (28, 7759665), (30, 7242354), (35, 6207732), (36, 6035295), (42, 5173110), (45, 4828236), (54, 4023530), (60, 3621177), (63, 3448740), (70, 3103866), (84, 2586555), (90, 2414118), (105, 2069244), (108, 2011765), (126, 1724370), (135, 1609412), (140, 1551933), (180, 1207059), (189, 1149580), (210, 1034622), (229, 948780), (251, 865620), (252, 862185), (270, 804706), (315, 689748), (378, 574790), (420, 517311), (458, 474390), (502, 432810), (540, 402353), (630, 344874), (687, 316260), (753, 288540), (756, 287395), (916, 237195), (945, 229916), (1004, 216405), (1145, 189756), (1255, 173124), (1260, 172437), (1374, 158130), (1506, 144270), (1603, 135540), (1757, 123660), (1890, 114958), (2061, 105420), (2259, 96180), (2290, 94878), (2510, 86562), (2748, 79065), (3012, 72135), (3206, 67770), (3435, 63252), (3514, 61830), (3765, 57708), (3780, 57479), (4122, 52710), (4518, 48090), (4580, 47439), (4809, 45180), (5020, 43281), (5271, 41220), (6183, 35140), (6412, 33885), (6777, 32060), (6870, 31626), (7028, 30915), (7530, 28854), (8015, 27108), (8244, 26355), (8785, 24732), (9036, 24045), (9618, 22590), (10305, 21084), (10542, 20610), (11295, 19236), (12366, 17570), (13554, 16030), (13740, 15813), (14427, 15060)]