55415880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3947}}^1$

素因数の和:3980

約数の個数: 128

約数和(自身を含む): 198979200

約数和(自身を除く): 143563320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 3947, 4680, 7020, 7894, 11841, 14040, 15788, 19735, 23682, 31576, 35523, 39470, 47364, 51311, 59205, 71046, 78940, 94728, 102622, 106569, 118410, 142092, 153933, 157880, 177615, 205244, 213138, 236820, 256555, 284184, 307866, 355230, 410488, 426276, 461799, 473640, 513110, 532845, 615732, 710460, 769665, 852552, 923598, 1026220, 1065690, 1231464, 1385397, 1420920, 1539330, 1847196, 2052440, 2131380, 2308995, 2770794, 3078660, 3694392, 4262760, 4617990, 5541588, 6157320, 6926985, 9235980, 11083176, 13853970, 18471960, 27707940, 55415880]

約数ペア:

[(1, 55415880), (2, 27707940), (3, 18471960), (4, 13853970), (5, 11083176), (6, 9235980), (8, 6926985), (9, 6157320), (10, 5541588), (12, 4617990), (13, 4262760), (15, 3694392), (18, 3078660), (20, 2770794), (24, 2308995), (26, 2131380), (27, 2052440), (30, 1847196), (36, 1539330), (39, 1420920), (40, 1385397), (45, 1231464), (52, 1065690), (54, 1026220), (60, 923598), (65, 852552), (72, 769665), (78, 710460), (90, 615732), (104, 532845), (108, 513110), (117, 473640), (120, 461799), (130, 426276), (135, 410488), (156, 355230), (180, 307866), (195, 284184), (216, 256555), (234, 236820), (260, 213138), (270, 205244), (312, 177615), (351, 157880), (360, 153933), (390, 142092), (468, 118410), (520, 106569), (540, 102622), (585, 94728), (702, 78940), (780, 71046), (936, 59205), (1080, 51311), (1170, 47364), (1404, 39470), (1560, 35523), (1755, 31576), (2340, 23682), (2808, 19735), (3510, 15788), (3947, 14040), (4680, 11841), (7020, 7894)]