1388469720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{577}}^1\times {\mathrm{1823}}^1$

素因数の和:2425

約数の個数: 128

約数和(自身を含む): 4554455040

約数和(自身を除く): 3165985320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 577, 660, 1154, 1320, 1731, 1823, 2308, 2885, 3462, 3646, 4616, 5469, 5770, 6347, 6924, 7292, 8655, 9115, 10938, 11540, 12694, 13848, 14584, 17310, 18230, 19041, 20053, 21876, 23080, 25388, 27345, 31735, 34620, 36460, 38082, 40106, 43752, 50776, 54690, 60159, 63470, 69240, 72920, 76164, 80212, 95205, 100265, 109380, 120318, 126940, 152328, 160424, 190410, 200530, 218760, 240636, 253880, 300795, 380820, 401060, 481272, 601590, 761640, 802120, 1051871, 1203180, 2103742, 2406360, 3155613, 4207484, 5259355, 6311226, 8414968, 10518710, 11570581, 12622452, 15778065, 21037420, 23141162, 25244904, 31556130, 34711743, 42074840, 46282324, 57852905, 63112260, 69423486, 92564648, 115705810, 126224520, 138846972, 173558715, 231411620, 277693944, 347117430, 462823240, 694234860, 1388469720]

約数ペア:

[(1, 1388469720), (2, 694234860), (3, 462823240), (4, 347117430), (5, 277693944), (6, 231411620), (8, 173558715), (10, 138846972), (11, 126224520), (12, 115705810), (15, 92564648), (20, 69423486), (22, 63112260), (24, 57852905), (30, 46282324), (33, 42074840), (40, 34711743), (44, 31556130), (55, 25244904), (60, 23141162), (66, 21037420), (88, 15778065), (110, 12622452), (120, 11570581), (132, 10518710), (165, 8414968), (220, 6311226), (264, 5259355), (330, 4207484), (440, 3155613), (577, 2406360), (660, 2103742), (1154, 1203180), (1320, 1051871), (1731, 802120), (1823, 761640), (2308, 601590), (2885, 481272), (3462, 401060), (3646, 380820), (4616, 300795), (5469, 253880), (5770, 240636), (6347, 218760), (6924, 200530), (7292, 190410), (8655, 160424), (9115, 152328), (10938, 126940), (11540, 120318), (12694, 109380), (13848, 100265), (14584, 95205), (17310, 80212), (18230, 76164), (19041, 72920), (20053, 69240), (21876, 63470), (23080, 60159), (25388, 54690), (27345, 50776), (31735, 43752), (34620, 40106), (36460, 38082)]