1210240

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 64

約数和(自身を含む): 3035520

約数和(自身を除く): 1825280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 128, 155, 160, 244, 248, 305, 310, 320, 488, 496, 610, 620, 640, 976, 992, 1220, 1240, 1891, 1952, 1984, 2440, 2480, 3782, 3904, 3968, 4880, 4960, 7564, 7808, 9455, 9760, 9920, 15128, 18910, 19520, 19840, 30256, 37820, 39040, 60512, 75640, 121024, 151280, 242048, 302560, 605120, 1210240]

約数ペア:

[(1, 1210240), (2, 605120), (4, 302560), (5, 242048), (8, 151280), (10, 121024), (16, 75640), (20, 60512), (31, 39040), (32, 37820), (40, 30256), (61, 19840), (62, 19520), (64, 18910), (80, 15128), (122, 9920), (124, 9760), (128, 9455), (155, 7808), (160, 7564), (244, 4960), (248, 4880), (305, 3968), (310, 3904), (320, 3782), (488, 2480), (496, 2440), (610, 1984), (620, 1952), (640, 1891), (976, 1240), (992, 1220)]