648439980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{568807}}^1$

素因数の和:568838

約数の個数: 48

約数和(自身を含む): 1911194880

約数和(自身を除く): 1262754900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 568807, 1137614, 1706421, 2275228, 2844035, 3412842, 5688070, 6825684, 8532105, 10807333, 11376140, 17064210, 21614666, 32421999, 34128420, 43229332, 54036665, 64843998, 108073330, 129687996, 162109995, 216146660, 324219990, 648439980]

約数ペア:

[(1, 648439980), (2, 324219990), (3, 216146660), (4, 162109995), (5, 129687996), (6, 108073330), (10, 64843998), (12, 54036665), (15, 43229332), (19, 34128420), (20, 32421999), (30, 21614666), (38, 17064210), (57, 11376140), (60, 10807333), (76, 8532105), (95, 6825684), (114, 5688070), (190, 3412842), (228, 2844035), (285, 2275228), (380, 1706421), (570, 1137614), (1140, 568807)]