209601540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:727

約数の個数: 192

約数和(自身を含む): 709632000

約数和(自身を除く): 500030460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 31, 36, 38, 45, 54, 57, 60, 62, 76, 90, 93, 95, 108, 114, 124, 135, 155, 171, 180, 186, 190, 228, 270, 279, 285, 310, 342, 372, 380, 465, 513, 540, 558, 570, 589, 620, 659, 684, 837, 855, 930, 1026, 1116, 1140, 1178, 1318, 1395, 1674, 1710, 1767, 1860, 1977, 2052, 2356, 2565, 2636, 2790, 2945, 3295, 3348, 3420, 3534, 3954, 4185, 5130, 5301, 5580, 5890, 5931, 6590, 7068, 7908, 8370, 8835, 9885, 10260, 10602, 11780, 11862, 12521, 13180, 15903, 16740, 17670, 17793, 19770, 20429, 21204, 23724, 25042, 26505, 29655, 31806, 35340, 35586, 37563, 39540, 40858, 50084, 53010, 59310, 61287, 62605, 63612, 71172, 75126, 79515, 81716, 88965, 102145, 106020, 112689, 118620, 122574, 125210, 150252, 159030, 177930, 183861, 187815, 204290, 225378, 245148, 250420, 306435, 318060, 338067, 355860, 367722, 375630, 388151, 408580, 450756, 551583, 563445, 612870, 676134, 735444, 751260, 776302, 919305, 1103166, 1126890, 1164453, 1225740, 1352268, 1552604, 1690335, 1838610, 1940755, 2206332, 2253780, 2328906, 2757915, 3380670, 3493359, 3677220, 3881510, 4657812, 5515830, 5822265, 6761340, 6986718, 7763020, 10480077, 11031660, 11644530, 13973436, 17466795, 20960154, 23289060, 34933590, 41920308, 52400385, 69867180, 104800770, 209601540]

約数ペア:

[(1, 209601540), (2, 104800770), (3, 69867180), (4, 52400385), (5, 41920308), (6, 34933590), (9, 23289060), (10, 20960154), (12, 17466795), (15, 13973436), (18, 11644530), (19, 11031660), (20, 10480077), (27, 7763020), (30, 6986718), (31, 6761340), (36, 5822265), (38, 5515830), (45, 4657812), (54, 3881510), (57, 3677220), (60, 3493359), (62, 3380670), (76, 2757915), (90, 2328906), (93, 2253780), (95, 2206332), (108, 1940755), (114, 1838610), (124, 1690335), (135, 1552604), (155, 1352268), (171, 1225740), (180, 1164453), (186, 1126890), (190, 1103166), (228, 919305), (270, 776302), (279, 751260), (285, 735444), (310, 676134), (342, 612870), (372, 563445), (380, 551583), (465, 450756), (513, 408580), (540, 388151), (558, 375630), (570, 367722), (589, 355860), (620, 338067), (659, 318060), (684, 306435), (837, 250420), (855, 245148), (930, 225378), (1026, 204290), (1116, 187815), (1140, 183861), (1178, 177930), (1318, 159030), (1395, 150252), (1674, 125210), (1710, 122574), (1767, 118620), (1860, 112689), (1977, 106020), (2052, 102145), (2356, 88965), (2565, 81716), (2636, 79515), (2790, 75126), (2945, 71172), (3295, 63612), (3348, 62605), (3420, 61287), (3534, 59310), (3954, 53010), (4185, 50084), (5130, 40858), (5301, 39540), (5580, 37563), (5890, 35586), (5931, 35340), (6590, 31806), (7068, 29655), (7908, 26505), (8370, 25042), (8835, 23724), (9885, 21204), (10260, 20429), (10602, 19770), (11780, 17793), (11862, 17670), (12521, 16740), (13180, 15903)]