207638460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:700

約数の個数: 144

約数和(自身を含む): 670269600

約数和(自身を除く): 462631140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 109, 114, 171, 180, 190, 218, 228, 285, 327, 342, 380, 436, 545, 557, 570, 654, 684, 855, 981, 1090, 1114, 1140, 1308, 1635, 1671, 1710, 1962, 2071, 2180, 2228, 2785, 3270, 3342, 3420, 3924, 4142, 4905, 5013, 5570, 6213, 6540, 6684, 8284, 8355, 9810, 10026, 10355, 10583, 11140, 12426, 16710, 18639, 19620, 20052, 20710, 21166, 24852, 25065, 31065, 31749, 33420, 37278, 41420, 42332, 50130, 52915, 60713, 62130, 63498, 74556, 93195, 95247, 100260, 105830, 121426, 124260, 126996, 158745, 182139, 186390, 190494, 211660, 242852, 303565, 317490, 364278, 372780, 380988, 476235, 546417, 607130, 634980, 728556, 910695, 952470, 1092834, 1153547, 1214260, 1821390, 1904940, 2185668, 2307094, 2732085, 3460641, 3642780, 4614188, 5464170, 5767735, 6921282, 10381923, 10928340, 11535470, 13842564, 17303205, 20763846, 23070940, 34606410, 41527692, 51909615, 69212820, 103819230, 207638460]

約数ペア:

[(1, 207638460), (2, 103819230), (3, 69212820), (4, 51909615), (5, 41527692), (6, 34606410), (9, 23070940), (10, 20763846), (12, 17303205), (15, 13842564), (18, 11535470), (19, 10928340), (20, 10381923), (30, 6921282), (36, 5767735), (38, 5464170), (45, 4614188), (57, 3642780), (60, 3460641), (76, 2732085), (90, 2307094), (95, 2185668), (109, 1904940), (114, 1821390), (171, 1214260), (180, 1153547), (190, 1092834), (218, 952470), (228, 910695), (285, 728556), (327, 634980), (342, 607130), (380, 546417), (436, 476235), (545, 380988), (557, 372780), (570, 364278), (654, 317490), (684, 303565), (855, 242852), (981, 211660), (1090, 190494), (1114, 186390), (1140, 182139), (1308, 158745), (1635, 126996), (1671, 124260), (1710, 121426), (1962, 105830), (2071, 100260), (2180, 95247), (2228, 93195), (2785, 74556), (3270, 63498), (3342, 62130), (3420, 60713), (3924, 52915), (4142, 50130), (4905, 42332), (5013, 41420), (5570, 37278), (6213, 33420), (6540, 31749), (6684, 31065), (8284, 25065), (8355, 24852), (9810, 21166), (10026, 20710), (10355, 20052), (10583, 19620), (11140, 18639), (12426, 16710)]