251645940

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1$

素因数の和:613

約数の個数: 288

約数和(自身を含む): 975985920

約数和(自身を除く): 724339980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 81, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 162, 180, 182, 189, 195, 210, 234, 243, 252, 260, 270, 273, 315, 324, 351, 364, 378, 390, 405, 420, 455, 468, 486, 540, 546, 567, 569, 585, 630, 702, 756, 780, 810, 819, 910, 945, 972, 1053, 1092, 1134, 1138, 1170, 1215, 1260, 1365, 1404, 1620, 1638, 1701, 1707, 1755, 1820, 1890, 2106, 2268, 2276, 2340, 2430, 2457, 2730, 2835, 2845, 3159, 3276, 3402, 3414, 3510, 3780, 3983, 4095, 4212, 4860, 4914, 5121, 5265, 5460, 5670, 5690, 6318, 6804, 6828, 7020, 7371, 7397, 7966, 8190, 8505, 8535, 9828, 10242, 10530, 11340, 11380, 11949, 12285, 12636, 14742, 14794, 15363, 15795, 15932, 16380, 17010, 17070, 19915, 20484, 21060, 22113, 22191, 23898, 24570, 25605, 29484, 29588, 30726, 31590, 34020, 34140, 35847, 36855, 36985, 39830, 44226, 44382, 46089, 47796, 49140, 51210, 51779, 59745, 61452, 63180, 66573, 71694, 73710, 73970, 76815, 79660, 88452, 88764, 92178, 102420, 103558, 107541, 110565, 110955, 119490, 133146, 138267, 143388, 147420, 147940, 153630, 155337, 179235, 184356, 199719, 207116, 215082, 221130, 221910, 230445, 238980, 258895, 266292, 276534, 307260, 310674, 322623, 332865, 358470, 399438, 430164, 442260, 443820, 460890, 466011, 517790, 537705, 553068, 599157, 621348, 645246, 665730, 691335, 716940, 776685, 798876, 921780, 932022, 967869, 998595, 1035580, 1075410, 1198314, 1290492, 1331460, 1382670, 1398033, 1553370, 1613115, 1797471, 1864044, 1935738, 1997190, 2150820, 2330055, 2396628, 2765340, 2796066, 2995785, 3106740, 3226230, 3594942, 3871476, 3994380, 4194099, 4660110, 4839345, 5592132, 5991570, 6452460, 6990165, 7189884, 8388198, 8987355, 9320220, 9678690, 11983140, 12582297, 13980330, 16776396, 17974710, 19357380, 20970495, 25164594, 27960660, 35949420, 41940990, 50329188, 62911485, 83881980, 125822970, 251645940]

約数ペア:

[(1, 251645940), (2, 125822970), (3, 83881980), (4, 62911485), (5, 50329188), (6, 41940990), (7, 35949420), (9, 27960660), (10, 25164594), (12, 20970495), (13, 19357380), (14, 17974710), (15, 16776396), (18, 13980330), (20, 12582297), (21, 11983140), (26, 9678690), (27, 9320220), (28, 8987355), (30, 8388198), (35, 7189884), (36, 6990165), (39, 6452460), (42, 5991570), (45, 5592132), (52, 4839345), (54, 4660110), (60, 4194099), (63, 3994380), (65, 3871476), (70, 3594942), (78, 3226230), (81, 3106740), (84, 2995785), (90, 2796066), (91, 2765340), (105, 2396628), (108, 2330055), (117, 2150820), (126, 1997190), (130, 1935738), (135, 1864044), (140, 1797471), (156, 1613115), (162, 1553370), (180, 1398033), (182, 1382670), (189, 1331460), (195, 1290492), (210, 1198314), (234, 1075410), (243, 1035580), (252, 998595), (260, 967869), (270, 932022), (273, 921780), (315, 798876), (324, 776685), (351, 716940), (364, 691335), (378, 665730), (390, 645246), (405, 621348), (420, 599157), (455, 553068), (468, 537705), (486, 517790), (540, 466011), (546, 460890), (567, 443820), (569, 442260), (585, 430164), (630, 399438), (702, 358470), (756, 332865), (780, 322623), (810, 310674), (819, 307260), (910, 276534), (945, 266292), (972, 258895), (1053, 238980), (1092, 230445), (1134, 221910), (1138, 221130), (1170, 215082), (1215, 207116), (1260, 199719), (1365, 184356), (1404, 179235), (1620, 155337), (1638, 153630), (1701, 147940), (1707, 147420), (1755, 143388), (1820, 138267), (1890, 133146), (2106, 119490), (2268, 110955), (2276, 110565), (2340, 107541), (2430, 103558), (2457, 102420), (2730, 92178), (2835, 88764), (2845, 88452), (3159, 79660), (3276, 76815), (3402, 73970), (3414, 73710), (3510, 71694), (3780, 66573), (3983, 63180), (4095, 61452), (4212, 59745), (4860, 51779), (4914, 51210), (5121, 49140), (5265, 47796), (5460, 46089), (5670, 44382), (5690, 44226), (6318, 39830), (6804, 36985), (6828, 36855), (7020, 35847), (7371, 34140), (7397, 34020), (7966, 31590), (8190, 30726), (8505, 29588), (8535, 29484), (9828, 25605), (10242, 24570), (10530, 23898), (11340, 22191), (11380, 22113), (11949, 21060), (12285, 20484), (12636, 19915), (14742, 17070), (14794, 17010), (15363, 16380), (15795, 15932)]