2156940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 6840288

約数和(自身を除く): 4683348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 521, 690, 828, 1035, 1042, 1380, 1563, 2070, 2084, 2605, 3126, 4140, 4689, 5210, 6252, 7815, 9378, 10420, 11983, 15630, 18756, 23445, 23966, 31260, 35949, 46890, 47932, 59915, 71898, 93780, 107847, 119830, 143796, 179745, 215694, 239660, 359490, 431388, 539235, 718980, 1078470, 2156940]

約数ペア:

[(1, 2156940), (2, 1078470), (3, 718980), (4, 539235), (5, 431388), (6, 359490), (9, 239660), (10, 215694), (12, 179745), (15, 143796), (18, 119830), (20, 107847), (23, 93780), (30, 71898), (36, 59915), (45, 47932), (46, 46890), (60, 35949), (69, 31260), (90, 23966), (92, 23445), (115, 18756), (138, 15630), (180, 11983), (207, 10420), (230, 9378), (276, 7815), (345, 6252), (414, 5210), (460, 4689), (521, 4140), (690, 3126), (828, 2605), (1035, 2084), (1042, 2070), (1380, 1563)]