1388731680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{137771}}^1$

素因数の和:137799

約数の個数: 144

約数和(自身を含む): 5416092864

約数和(自身を除く): 4027361184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 137771, 275542, 413313, 551084, 688855, 826626, 964397, 1102168, 1239939, 1377710, 1653252, 1928794, 2066565, 2204336, 2479878, 2755420, 2893191, 3306504, 3857588, 4133130, 4408672, 4821985, 4959756, 5510840, 5786382, 6199695, 6613008, 7715176, 8266260, 8679573, 9643970, 9919512, 11021680, 11572764, 12399390, 13226016, 14465955, 15430352, 16532520, 17359146, 19287940, 19839024, 22043360, 23145528, 24798780, 28931910, 30860704, 33065040, 34718292, 38575880, 39678048, 43397865, 46291056, 49597560, 57863820, 66130080, 69436584, 77151760, 86795730, 92582112, 99195120, 115727640, 138873168, 154303520, 173591460, 198390240, 231455280, 277746336, 347182920, 462910560, 694365840, 1388731680]

約数ペア:

[(1, 1388731680), (2, 694365840), (3, 462910560), (4, 347182920), (5, 277746336), (6, 231455280), (7, 198390240), (8, 173591460), (9, 154303520), (10, 138873168), (12, 115727640), (14, 99195120), (15, 92582112), (16, 86795730), (18, 77151760), (20, 69436584), (21, 66130080), (24, 57863820), (28, 49597560), (30, 46291056), (32, 43397865), (35, 39678048), (36, 38575880), (40, 34718292), (42, 33065040), (45, 30860704), (48, 28931910), (56, 24798780), (60, 23145528), (63, 22043360), (70, 19839024), (72, 19287940), (80, 17359146), (84, 16532520), (90, 15430352), (96, 14465955), (105, 13226016), (112, 12399390), (120, 11572764), (126, 11021680), (140, 9919512), (144, 9643970), (160, 8679573), (168, 8266260), (180, 7715176), (210, 6613008), (224, 6199695), (240, 5786382), (252, 5510840), (280, 4959756), (288, 4821985), (315, 4408672), (336, 4133130), (360, 3857588), (420, 3306504), (480, 2893191), (504, 2755420), (560, 2479878), (630, 2204336), (672, 2066565), (720, 1928794), (840, 1653252), (1008, 1377710), (1120, 1239939), (1260, 1102168), (1440, 964397), (1680, 826626), (2016, 688855), (2520, 551084), (3360, 413313), (5040, 275542), (10080, 137771)]