31378800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:431

約数の個数: 120

約数和(自身を含む): 102096640

約数和(自身を除く): 70717840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 79, 80, 100, 120, 150, 158, 200, 237, 240, 300, 316, 331, 395, 400, 474, 600, 632, 662, 790, 948, 993, 1185, 1200, 1264, 1324, 1580, 1655, 1896, 1975, 1986, 2370, 2648, 3160, 3310, 3792, 3950, 3972, 4740, 4965, 5296, 5925, 6320, 6620, 7900, 7944, 8275, 9480, 9930, 11850, 13240, 15800, 15888, 16550, 18960, 19860, 23700, 24825, 26149, 26480, 31600, 33100, 39720, 47400, 49650, 52298, 66200, 78447, 79440, 94800, 99300, 104596, 130745, 132400, 156894, 198600, 209192, 261490, 313788, 392235, 397200, 418384, 522980, 627576, 653725, 784470, 1045960, 1255152, 1307450, 1568940, 1961175, 2091920, 2614900, 3137880, 3922350, 5229800, 6275760, 7844700, 10459600, 15689400, 31378800]

約数ペア:

[(1, 31378800), (2, 15689400), (3, 10459600), (4, 7844700), (5, 6275760), (6, 5229800), (8, 3922350), (10, 3137880), (12, 2614900), (15, 2091920), (16, 1961175), (20, 1568940), (24, 1307450), (25, 1255152), (30, 1045960), (40, 784470), (48, 653725), (50, 627576), (60, 522980), (75, 418384), (79, 397200), (80, 392235), (100, 313788), (120, 261490), (150, 209192), (158, 198600), (200, 156894), (237, 132400), (240, 130745), (300, 104596), (316, 99300), (331, 94800), (395, 79440), (400, 78447), (474, 66200), (600, 52298), (632, 49650), (662, 47400), (790, 39720), (948, 33100), (993, 31600), (1185, 26480), (1200, 26149), (1264, 24825), (1324, 23700), (1580, 19860), (1655, 18960), (1896, 16550), (1975, 15888), (1986, 15800), (2370, 13240), (2648, 11850), (3160, 9930), (3310, 9480), (3792, 8275), (3950, 7944), (3972, 7900), (4740, 6620), (4965, 6320), (5296, 5925)]