1680900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 5249664

約数和(自身を除く): 3568764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 431, 650, 780, 862, 975, 1293, 1300, 1724, 1950, 2155, 2586, 3900, 4310, 5172, 5603, 6465, 8620, 10775, 11206, 12930, 16809, 21550, 22412, 25860, 28015, 32325, 33618, 43100, 56030, 64650, 67236, 84045, 112060, 129300, 140075, 168090, 280150, 336180, 420225, 560300, 840450, 1680900]

約数ペア:

[(1, 1680900), (2, 840450), (3, 560300), (4, 420225), (5, 336180), (6, 280150), (10, 168090), (12, 140075), (13, 129300), (15, 112060), (20, 84045), (25, 67236), (26, 64650), (30, 56030), (39, 43100), (50, 33618), (52, 32325), (60, 28015), (65, 25860), (75, 22412), (78, 21550), (100, 16809), (130, 12930), (150, 11206), (156, 10775), (195, 8620), (260, 6465), (300, 5603), (325, 5172), (390, 4310), (431, 3900), (650, 2586), (780, 2155), (862, 1950), (975, 1724), (1293, 1300)]