121735760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 294838272

約数和(自身を除く): 173102512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 191, 248, 257, 310, 382, 496, 514, 620, 764, 955, 1028, 1240, 1285, 1528, 1910, 2056, 2480, 2570, 3056, 3820, 4112, 5140, 5921, 7640, 7967, 10280, 11842, 15280, 15934, 20560, 23684, 29605, 31868, 39835, 47368, 49087, 59210, 63736, 79670, 94736, 98174, 118420, 127472, 159340, 196348, 236840, 245435, 318680, 392696, 473680, 490870, 637360, 785392, 981740, 1521697, 1963480, 3043394, 3926960, 6086788, 7608485, 12173576, 15216970, 24347152, 30433940, 60867880, 121735760]

約数ペア:

[(1, 121735760), (2, 60867880), (4, 30433940), (5, 24347152), (8, 15216970), (10, 12173576), (16, 7608485), (20, 6086788), (31, 3926960), (40, 3043394), (62, 1963480), (80, 1521697), (124, 981740), (155, 785392), (191, 637360), (248, 490870), (257, 473680), (310, 392696), (382, 318680), (496, 245435), (514, 236840), (620, 196348), (764, 159340), (955, 127472), (1028, 118420), (1240, 98174), (1285, 94736), (1528, 79670), (1910, 63736), (2056, 59210), (2480, 49087), (2570, 47368), (3056, 39835), (3820, 31868), (4112, 29605), (5140, 23684), (5921, 20560), (7640, 15934), (7967, 15280), (10280, 11842)]