318549840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{189613}}^1$

素因数の和:189636

約数の個数: 80

約数和(自身を含む): 1128582528

約数和(自身を除く): 810032688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 189613, 379226, 568839, 758452, 948065, 1137678, 1327291, 1516904, 1896130, 2275356, 2654582, 2844195, 3033808, 3792260, 3981873, 4550712, 5309164, 5688390, 6636455, 7584520, 7963746, 9101424, 10618328, 11376780, 13272910, 15169040, 15927492, 19909365, 21236656, 22753560, 26545820, 31854984, 39818730, 45507120, 53091640, 63709968, 79637460, 106183280, 159274920, 318549840]

約数ペア:

[(1, 318549840), (2, 159274920), (3, 106183280), (4, 79637460), (5, 63709968), (6, 53091640), (7, 45507120), (8, 39818730), (10, 31854984), (12, 26545820), (14, 22753560), (15, 21236656), (16, 19909365), (20, 15927492), (21, 15169040), (24, 13272910), (28, 11376780), (30, 10618328), (35, 9101424), (40, 7963746), (42, 7584520), (48, 6636455), (56, 5688390), (60, 5309164), (70, 4550712), (80, 3981873), (84, 3792260), (105, 3033808), (112, 2844195), (120, 2654582), (140, 2275356), (168, 1896130), (210, 1516904), (240, 1327291), (280, 1137678), (336, 948065), (420, 758452), (560, 568839), (840, 379226), (1680, 189613)]