31881360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{2711}}^1$

素因数の和:2741

約数の個数: 120

約数和(自身を含む): 115010496

約数和(自身を除く): 83129136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2711, 2940, 3920, 5422, 5880, 8133, 10844, 11760, 13555, 16266, 18977, 21688, 27110, 32532, 37954, 40665, 43376, 54220, 56931, 65064, 75908, 81330, 94885, 108440, 113862, 130128, 132839, 151816, 162660, 189770, 216880, 227724, 265678, 284655, 303632, 325320, 379540, 398517, 455448, 531356, 569310, 650640, 664195, 759080, 797034, 910896, 1062712, 1138620, 1328390, 1518160, 1594068, 1992585, 2125424, 2277240, 2656780, 3188136, 3985170, 4554480, 5313560, 6376272, 7970340, 10627120, 15940680, 31881360]

約数ペア:

[(1, 31881360), (2, 15940680), (3, 10627120), (4, 7970340), (5, 6376272), (6, 5313560), (7, 4554480), (8, 3985170), (10, 3188136), (12, 2656780), (14, 2277240), (15, 2125424), (16, 1992585), (20, 1594068), (21, 1518160), (24, 1328390), (28, 1138620), (30, 1062712), (35, 910896), (40, 797034), (42, 759080), (48, 664195), (49, 650640), (56, 569310), (60, 531356), (70, 455448), (80, 398517), (84, 379540), (98, 325320), (105, 303632), (112, 284655), (120, 265678), (140, 227724), (147, 216880), (168, 189770), (196, 162660), (210, 151816), (240, 132839), (245, 130128), (280, 113862), (294, 108440), (336, 94885), (392, 81330), (420, 75908), (490, 65064), (560, 56931), (588, 54220), (735, 43376), (784, 40665), (840, 37954), (980, 32532), (1176, 27110), (1470, 21688), (1680, 18977), (1960, 16266), (2352, 13555), (2711, 11760), (2940, 10844), (3920, 8133), (5422, 5880)]