2420480

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 6082944

約数和(自身を除く): 3662464

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, 256, 305, 310, 320, 488, 496, 610, 620, 640, 976, 992, 1220, 1240, 1280, 1891, 1952, 1984, 2440, 2480, 3782, 3904, 3968, 4880, 4960, 7564, 7808, 7936, 9455, 9760, 9920, 15128, 15616, 18910, 19520, 19840, 30256, 37820, 39040, 39680, 60512, 75640, 78080, 121024, 151280, 242048, 302560, 484096, 605120, 1210240, 2420480]

約数ペア:

[(1, 2420480), (2, 1210240), (4, 605120), (5, 484096), (8, 302560), (10, 242048), (16, 151280), (20, 121024), (31, 78080), (32, 75640), (40, 60512), (61, 39680), (62, 39040), (64, 37820), (80, 30256), (122, 19840), (124, 19520), (128, 18910), (155, 15616), (160, 15128), (244, 9920), (248, 9760), (256, 9455), (305, 7936), (310, 7808), (320, 7564), (488, 4960), (496, 4880), (610, 3968), (620, 3904), (640, 3782), (976, 2480), (992, 2440), (1220, 1984), (1240, 1952), (1280, 1891)]