408401520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{13399}}^1$

素因数の和:13542

約数の個数: 80

約数和(自身を含む): 1276108800

約数和(自身を除く): 867707280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 5080, 6096, 7620, 10160, 13399, 15240, 26798, 30480, 40197, 53596, 66995, 80394, 107192, 133990, 160788, 200985, 214384, 267980, 321576, 401970, 535960, 643152, 803940, 1071920, 1607880, 1701673, 3215760, 3403346, 5105019, 6806692, 8508365, 10210038, 13613384, 17016730, 20420076, 25525095, 27226768, 34033460, 40840152, 51050190, 68066920, 81680304, 102100380, 136133840, 204200760, 408401520]

約数ペア:

[(1, 408401520), (2, 204200760), (3, 136133840), (4, 102100380), (5, 81680304), (6, 68066920), (8, 51050190), (10, 40840152), (12, 34033460), (15, 27226768), (16, 25525095), (20, 20420076), (24, 17016730), (30, 13613384), (40, 10210038), (48, 8508365), (60, 6806692), (80, 5105019), (120, 3403346), (127, 3215760), (240, 1701673), (254, 1607880), (381, 1071920), (508, 803940), (635, 643152), (762, 535960), (1016, 401970), (1270, 321576), (1524, 267980), (1905, 214384), (2032, 200985), (2540, 160788), (3048, 133990), (3810, 107192), (5080, 80394), (6096, 66995), (7620, 53596), (10160, 40197), (13399, 30480), (15240, 26798)]