31346280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1777}}^1$

素因数の和:1808

約数の個数: 144

約数和(自身を含む): 118574820

約数和(自身を除く): 87228540

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1777, 1960, 2205, 2520, 2940, 3528, 3554, 4410, 5331, 5880, 7108, 8820, 8885, 10662, 12439, 14216, 15993, 17640, 17770, 21324, 24878, 26655, 31986, 35540, 37317, 42648, 49756, 53310, 62195, 63972, 71080, 74634, 79965, 87073, 99512, 106620, 111951, 124390, 127944, 149268, 159930, 174146, 186585, 213240, 223902, 248780, 261219, 298536, 319860, 348292, 373170, 435365, 447804, 497560, 522438, 559755, 639720, 696584, 746340, 783657, 870730, 895608, 1044876, 1119510, 1306095, 1492680, 1567314, 1741460, 2089752, 2239020, 2612190, 3134628, 3482920, 3918285, 4478040, 5224380, 6269256, 7836570, 10448760, 15673140, 31346280]

約数ペア:

[(1, 31346280), (2, 15673140), (3, 10448760), (4, 7836570), (5, 6269256), (6, 5224380), (7, 4478040), (8, 3918285), (9, 3482920), (10, 3134628), (12, 2612190), (14, 2239020), (15, 2089752), (18, 1741460), (20, 1567314), (21, 1492680), (24, 1306095), (28, 1119510), (30, 1044876), (35, 895608), (36, 870730), (40, 783657), (42, 746340), (45, 696584), (49, 639720), (56, 559755), (60, 522438), (63, 497560), (70, 447804), (72, 435365), (84, 373170), (90, 348292), (98, 319860), (105, 298536), (120, 261219), (126, 248780), (140, 223902), (147, 213240), (168, 186585), (180, 174146), (196, 159930), (210, 149268), (245, 127944), (252, 124390), (280, 111951), (294, 106620), (315, 99512), (360, 87073), (392, 79965), (420, 74634), (441, 71080), (490, 63972), (504, 62195), (588, 53310), (630, 49756), (735, 42648), (840, 37317), (882, 35540), (980, 31986), (1176, 26655), (1260, 24878), (1470, 21324), (1764, 17770), (1777, 17640), (1960, 15993), (2205, 14216), (2520, 12439), (2940, 10662), (3528, 8885), (3554, 8820), (4410, 7108), (5331, 5880)]