215496840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138139}}^1$

素因数の和:138166

約数の個数: 64

約数和(自身を含む): 696225600

約数和(自身を除く): 480728760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 138139, 276278, 414417, 552556, 690695, 828834, 1105112, 1381390, 1657668, 1795807, 2072085, 2762780, 3315336, 3591614, 4144170, 5387421, 5525560, 7183228, 8288340, 8979035, 10774842, 14366456, 16576680, 17958070, 21549684, 26937105, 35916140, 43099368, 53874210, 71832280, 107748420, 215496840]

約数ペア:

[(1, 215496840), (2, 107748420), (3, 71832280), (4, 53874210), (5, 43099368), (6, 35916140), (8, 26937105), (10, 21549684), (12, 17958070), (13, 16576680), (15, 14366456), (20, 10774842), (24, 8979035), (26, 8288340), (30, 7183228), (39, 5525560), (40, 5387421), (52, 4144170), (60, 3591614), (65, 3315336), (78, 2762780), (104, 2072085), (120, 1795807), (130, 1657668), (156, 1381390), (195, 1105112), (260, 828834), (312, 690695), (390, 552556), (520, 414417), (780, 276278), (1560, 138139)]