78720900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{4951}}^1$

素因数の和:5021

約数の個数: 72

約数和(自身を含む): 232110144

約数和(自身を除く): 153389244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 53, 60, 75, 100, 106, 150, 159, 212, 265, 300, 318, 530, 636, 795, 1060, 1325, 1590, 2650, 3180, 3975, 4951, 5300, 7950, 9902, 14853, 15900, 19804, 24755, 29706, 49510, 59412, 74265, 99020, 123775, 148530, 247550, 262403, 297060, 371325, 495100, 524806, 742650, 787209, 1049612, 1312015, 1485300, 1574418, 2624030, 3148836, 3936045, 5248060, 6560075, 7872090, 13120150, 15744180, 19680225, 26240300, 39360450, 78720900]

約数ペア:

[(1, 78720900), (2, 39360450), (3, 26240300), (4, 19680225), (5, 15744180), (6, 13120150), (10, 7872090), (12, 6560075), (15, 5248060), (20, 3936045), (25, 3148836), (30, 2624030), (50, 1574418), (53, 1485300), (60, 1312015), (75, 1049612), (100, 787209), (106, 742650), (150, 524806), (159, 495100), (212, 371325), (265, 297060), (300, 262403), (318, 247550), (530, 148530), (636, 123775), (795, 99020), (1060, 74265), (1325, 59412), (1590, 49510), (2650, 29706), (3180, 24755), (3975, 19804), (4951, 15900), (5300, 14853), (7950, 9902)]