28056240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:472

約数の個数: 160

約数和(自身を含む): 99993600

約数和(自身を除く): 71937360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 360, 372, 419, 432, 465, 496, 540, 558, 620, 720, 744, 837, 838, 930, 1080, 1116, 1240, 1257, 1395, 1488, 1674, 1676, 1860, 2095, 2160, 2232, 2480, 2514, 2790, 3348, 3352, 3720, 3771, 4185, 4190, 4464, 5028, 5580, 6285, 6696, 6704, 7440, 7542, 8370, 8380, 10056, 11160, 11313, 12570, 12989, 13392, 15084, 16740, 16760, 18855, 20112, 22320, 22626, 25140, 25978, 30168, 33480, 33520, 37710, 38967, 45252, 50280, 51956, 56565, 60336, 64945, 66960, 75420, 77934, 90504, 100560, 103912, 113130, 116901, 129890, 150840, 155868, 181008, 194835, 207824, 226260, 233802, 259780, 301680, 311736, 350703, 389670, 452520, 467604, 519560, 584505, 623472, 701406, 779340, 905040, 935208, 1039120, 1169010, 1402812, 1558680, 1753515, 1870416, 2338020, 2805624, 3117360, 3507030, 4676040, 5611248, 7014060, 9352080, 14028120, 28056240]

約数ペア:

[(1, 28056240), (2, 14028120), (3, 9352080), (4, 7014060), (5, 5611248), (6, 4676040), (8, 3507030), (9, 3117360), (10, 2805624), (12, 2338020), (15, 1870416), (16, 1753515), (18, 1558680), (20, 1402812), (24, 1169010), (27, 1039120), (30, 935208), (31, 905040), (36, 779340), (40, 701406), (45, 623472), (48, 584505), (54, 519560), (60, 467604), (62, 452520), (72, 389670), (80, 350703), (90, 311736), (93, 301680), (108, 259780), (120, 233802), (124, 226260), (135, 207824), (144, 194835), (155, 181008), (180, 155868), (186, 150840), (216, 129890), (240, 116901), (248, 113130), (270, 103912), (279, 100560), (310, 90504), (360, 77934), (372, 75420), (419, 66960), (432, 64945), (465, 60336), (496, 56565), (540, 51956), (558, 50280), (620, 45252), (720, 38967), (744, 37710), (837, 33520), (838, 33480), (930, 30168), (1080, 25978), (1116, 25140), (1240, 22626), (1257, 22320), (1395, 20112), (1488, 18855), (1674, 16760), (1676, 16740), (1860, 15084), (2095, 13392), (2160, 12989), (2232, 12570), (2480, 11313), (2514, 11160), (2790, 10056), (3348, 8380), (3352, 8370), (3720, 7542), (3771, 7440), (4185, 6704), (4190, 6696), (4464, 6285), (5028, 5580)]