307494240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{640613}}^1$

素因数の和:640631

約数の個数: 48

約数和(自身を含む): 968608368

約数和(自身を除く): 661114128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 640613, 1281226, 1921839, 2562452, 3203065, 3843678, 5124904, 6406130, 7687356, 9609195, 10249808, 12812260, 15374712, 19218390, 20499616, 25624520, 30749424, 38436780, 51249040, 61498848, 76873560, 102498080, 153747120, 307494240]

約数ペア:

[(1, 307494240), (2, 153747120), (3, 102498080), (4, 76873560), (5, 61498848), (6, 51249040), (8, 38436780), (10, 30749424), (12, 25624520), (15, 20499616), (16, 19218390), (20, 15374712), (24, 12812260), (30, 10249808), (32, 9609195), (40, 7687356), (48, 6406130), (60, 5124904), (80, 3843678), (96, 3203065), (120, 2562452), (160, 1921839), (240, 1281226), (480, 640613)]