1290006780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{4003}}^1$

素因数の和:4187

約数の個数: 96

約数和(自身を含む): 3729293568

約数和(自身を除く): 2439286788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 131, 164, 205, 246, 262, 393, 410, 492, 524, 615, 655, 786, 820, 1230, 1310, 1572, 1965, 2460, 2620, 3930, 4003, 5371, 7860, 8006, 10742, 12009, 16012, 16113, 20015, 21484, 24018, 26855, 32226, 40030, 48036, 53710, 60045, 64452, 80060, 80565, 107420, 120090, 161130, 164123, 240180, 322260, 328246, 492369, 524393, 656492, 820615, 984738, 1048786, 1573179, 1641230, 1969476, 2097572, 2461845, 2621965, 3146358, 3282460, 4923690, 5243930, 6292716, 7865895, 9847380, 10487860, 15731790, 21500113, 31463580, 43000226, 64500339, 86000452, 107500565, 129000678, 215001130, 258001356, 322501695, 430002260, 645003390, 1290006780]

約数ペア:

[(1, 1290006780), (2, 645003390), (3, 430002260), (4, 322501695), (5, 258001356), (6, 215001130), (10, 129000678), (12, 107500565), (15, 86000452), (20, 64500339), (30, 43000226), (41, 31463580), (60, 21500113), (82, 15731790), (123, 10487860), (131, 9847380), (164, 7865895), (205, 6292716), (246, 5243930), (262, 4923690), (393, 3282460), (410, 3146358), (492, 2621965), (524, 2461845), (615, 2097572), (655, 1969476), (786, 1641230), (820, 1573179), (1230, 1048786), (1310, 984738), (1572, 820615), (1965, 656492), (2460, 524393), (2620, 492369), (3930, 328246), (4003, 322260), (5371, 240180), (7860, 164123), (8006, 161130), (10742, 120090), (12009, 107420), (16012, 80565), (16113, 80060), (20015, 64452), (21484, 60045), (24018, 53710), (26855, 48036), (32226, 40030)]