140052420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1386

約数の個数: 144

約数和(自身を含む): 461959680

約数和(自身を除く): 321907260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 855, 930, 1116, 1140, 1178, 1321, 1395, 1710, 1767, 1860, 2356, 2642, 2790, 2945, 3420, 3534, 3963, 5284, 5301, 5580, 5890, 6605, 7068, 7926, 8835, 10602, 11780, 11889, 13210, 15852, 17670, 19815, 21204, 23778, 25099, 26420, 26505, 35340, 39630, 40951, 47556, 50198, 53010, 59445, 75297, 79260, 81902, 100396, 106020, 118890, 122853, 125495, 150594, 163804, 204755, 225891, 237780, 245706, 250990, 301188, 368559, 376485, 409510, 451782, 491412, 501980, 614265, 737118, 752970, 778069, 819020, 903564, 1129455, 1228530, 1474236, 1505940, 1556138, 1842795, 2258910, 2334207, 2457060, 3112276, 3685590, 3890345, 4517820, 4668414, 7002621, 7371180, 7780690, 9336828, 11671035, 14005242, 15561380, 23342070, 28010484, 35013105, 46684140, 70026210, 140052420]

約数ペア:

[(1, 140052420), (2, 70026210), (3, 46684140), (4, 35013105), (5, 28010484), (6, 23342070), (9, 15561380), (10, 14005242), (12, 11671035), (15, 9336828), (18, 7780690), (19, 7371180), (20, 7002621), (30, 4668414), (31, 4517820), (36, 3890345), (38, 3685590), (45, 3112276), (57, 2457060), (60, 2334207), (62, 2258910), (76, 1842795), (90, 1556138), (93, 1505940), (95, 1474236), (114, 1228530), (124, 1129455), (155, 903564), (171, 819020), (180, 778069), (186, 752970), (190, 737118), (228, 614265), (279, 501980), (285, 491412), (310, 451782), (342, 409510), (372, 376485), (380, 368559), (465, 301188), (558, 250990), (570, 245706), (589, 237780), (620, 225891), (684, 204755), (855, 163804), (930, 150594), (1116, 125495), (1140, 122853), (1178, 118890), (1321, 106020), (1395, 100396), (1710, 81902), (1767, 79260), (1860, 75297), (2356, 59445), (2642, 53010), (2790, 50198), (2945, 47556), (3420, 40951), (3534, 39630), (3963, 35340), (5284, 26505), (5301, 26420), (5580, 25099), (5890, 23778), (6605, 21204), (7068, 19815), (7926, 17670), (8835, 15852), (10602, 13210), (11780, 11889)]