51267720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{8719}}^1$

素因数の和:8747

約数の個数: 96

約数和(自身を含む): 178934400

約数和(自身を除く): 127666680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 8719, 17438, 26157, 34876, 43595, 52314, 61033, 69752, 87190, 104628, 122066, 130785, 174380, 183099, 209256, 244132, 261570, 305165, 348760, 366198, 427231, 488264, 523140, 610330, 732396, 854462, 915495, 1046280, 1220660, 1281693, 1464792, 1708924, 1830990, 2136155, 2441320, 2563386, 3417848, 3661980, 4272310, 5126772, 6408465, 7323960, 8544620, 10253544, 12816930, 17089240, 25633860, 51267720]

約数ペア:

[(1, 51267720), (2, 25633860), (3, 17089240), (4, 12816930), (5, 10253544), (6, 8544620), (7, 7323960), (8, 6408465), (10, 5126772), (12, 4272310), (14, 3661980), (15, 3417848), (20, 2563386), (21, 2441320), (24, 2136155), (28, 1830990), (30, 1708924), (35, 1464792), (40, 1281693), (42, 1220660), (49, 1046280), (56, 915495), (60, 854462), (70, 732396), (84, 610330), (98, 523140), (105, 488264), (120, 427231), (140, 366198), (147, 348760), (168, 305165), (196, 261570), (210, 244132), (245, 209256), (280, 183099), (294, 174380), (392, 130785), (420, 122066), (490, 104628), (588, 87190), (735, 69752), (840, 61033), (980, 52314), (1176, 43595), (1470, 34876), (1960, 26157), (2940, 17438), (5880, 8719)]