1287353100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{390107}}^1$

素因数の和:390135

約数の個数: 72

約数和(自身を含む): 4063364928

約数和(自身を除く): 2776011828

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 550, 660, 825, 1100, 1650, 3300, 390107, 780214, 1170321, 1560428, 1950535, 2340642, 3901070, 4291177, 4681284, 5851605, 7802140, 8582354, 9752675, 11703210, 12873531, 17164708, 19505350, 21455885, 23406420, 25747062, 29258025, 39010700, 42911770, 51494124, 58516050, 64367655, 85823540, 107279425, 117032100, 128735310, 214558850, 257470620, 321838275, 429117700, 643676550, 1287353100]

約数ペア:

[(1, 1287353100), (2, 643676550), (3, 429117700), (4, 321838275), (5, 257470620), (6, 214558850), (10, 128735310), (11, 117032100), (12, 107279425), (15, 85823540), (20, 64367655), (22, 58516050), (25, 51494124), (30, 42911770), (33, 39010700), (44, 29258025), (50, 25747062), (55, 23406420), (60, 21455885), (66, 19505350), (75, 17164708), (100, 12873531), (110, 11703210), (132, 9752675), (150, 8582354), (165, 7802140), (220, 5851605), (275, 4681284), (300, 4291177), (330, 3901070), (550, 2340642), (660, 1950535), (825, 1560428), (1100, 1170321), (1650, 780214), (3300, 390107)]