30388920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1613}}^1$

素因数の和:1784

約数の個数: 64

約数和(自身を含む): 91804320

約数和(自身を除く): 61415400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1613, 1884, 2355, 3140, 3226, 3768, 4710, 4839, 6280, 6452, 8065, 9420, 9678, 12904, 16130, 18840, 19356, 24195, 32260, 38712, 48390, 64520, 96780, 193560, 253241, 506482, 759723, 1012964, 1266205, 1519446, 2025928, 2532410, 3038892, 3798615, 5064820, 6077784, 7597230, 10129640, 15194460, 30388920]

約数ペア:

[(1, 30388920), (2, 15194460), (3, 10129640), (4, 7597230), (5, 6077784), (6, 5064820), (8, 3798615), (10, 3038892), (12, 2532410), (15, 2025928), (20, 1519446), (24, 1266205), (30, 1012964), (40, 759723), (60, 506482), (120, 253241), (157, 193560), (314, 96780), (471, 64520), (628, 48390), (785, 38712), (942, 32260), (1256, 24195), (1570, 19356), (1613, 18840), (1884, 16130), (2355, 12904), (3140, 9678), (3226, 9420), (3768, 8065), (4710, 6452), (4839, 6280)]