30357680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12241}}^1$

素因数の和:12285

約数の個数: 40

約数和(自身を含む): 72864384

約数和(自身を除く): 42506704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12241, 24482, 48964, 61205, 97928, 122410, 195856, 244820, 379471, 489640, 758942, 979280, 1517884, 1897355, 3035768, 3794710, 6071536, 7589420, 15178840, 30357680]

約数ペア:

[(1, 30357680), (2, 15178840), (4, 7589420), (5, 6071536), (8, 3794710), (10, 3035768), (16, 1897355), (20, 1517884), (31, 979280), (40, 758942), (62, 489640), (80, 379471), (124, 244820), (155, 195856), (248, 122410), (310, 97928), (496, 61205), (620, 48964), (1240, 24482), (2480, 12241)]