15320520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{42557}}^1$

素因数の和:42574

約数の個数: 48

約数和(自身を含む): 49792860

約数和(自身を除く): 34472340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 42557, 85114, 127671, 170228, 212785, 255342, 340456, 383013, 425570, 510684, 638355, 766026, 851140, 1021368, 1276710, 1532052, 1702280, 1915065, 2553420, 3064104, 3830130, 5106840, 7660260, 15320520]

約数ペア:

[(1, 15320520), (2, 7660260), (3, 5106840), (4, 3830130), (5, 3064104), (6, 2553420), (8, 1915065), (9, 1702280), (10, 1532052), (12, 1276710), (15, 1021368), (18, 851140), (20, 766026), (24, 638355), (30, 510684), (36, 425570), (40, 383013), (45, 340456), (60, 255342), (72, 212785), (90, 170228), (120, 127671), (180, 85114), (360, 42557)]