2681640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 9676800

約数和(自身を除く): 6995160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 191, 195, 216, 234, 260, 270, 312, 351, 360, 382, 390, 468, 520, 540, 573, 585, 702, 764, 780, 936, 955, 1080, 1146, 1170, 1404, 1528, 1560, 1719, 1755, 1910, 2292, 2340, 2483, 2808, 2865, 3438, 3510, 3820, 4584, 4680, 4966, 5157, 5730, 6876, 7020, 7449, 7640, 8595, 9932, 10314, 11460, 12415, 13752, 14040, 14898, 17190, 19864, 20628, 22347, 22920, 24830, 25785, 29796, 34380, 37245, 41256, 44694, 49660, 51570, 59592, 67041, 68760, 74490, 89388, 99320, 103140, 111735, 134082, 148980, 178776, 206280, 223470, 268164, 297960, 335205, 446940, 536328, 670410, 893880, 1340820, 2681640]

約数ペア:

[(1, 2681640), (2, 1340820), (3, 893880), (4, 670410), (5, 536328), (6, 446940), (8, 335205), (9, 297960), (10, 268164), (12, 223470), (13, 206280), (15, 178776), (18, 148980), (20, 134082), (24, 111735), (26, 103140), (27, 99320), (30, 89388), (36, 74490), (39, 68760), (40, 67041), (45, 59592), (52, 51570), (54, 49660), (60, 44694), (65, 41256), (72, 37245), (78, 34380), (90, 29796), (104, 25785), (108, 24830), (117, 22920), (120, 22347), (130, 20628), (135, 19864), (156, 17190), (180, 14898), (191, 14040), (195, 13752), (216, 12415), (234, 11460), (260, 10314), (270, 9932), (312, 8595), (351, 7640), (360, 7449), (382, 7020), (390, 6876), (468, 5730), (520, 5157), (540, 4966), (573, 4680), (585, 4584), (702, 3820), (764, 3510), (780, 3438), (936, 2865), (955, 2808), (1080, 2483), (1146, 2340), (1170, 2292), (1404, 1910), (1528, 1755), (1560, 1719)]