28051320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 93312000

約数和(自身を除く): 65260680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 79, 88, 110, 120, 132, 158, 165, 220, 237, 264, 269, 316, 330, 395, 440, 474, 538, 632, 660, 790, 807, 869, 948, 1076, 1185, 1320, 1345, 1580, 1614, 1738, 1896, 2152, 2370, 2607, 2690, 2959, 3160, 3228, 3476, 4035, 4345, 4740, 5214, 5380, 5918, 6456, 6952, 8070, 8690, 8877, 9480, 10428, 10760, 11836, 13035, 14795, 16140, 17380, 17754, 20856, 21251, 23672, 26070, 29590, 32280, 34760, 35508, 42502, 44385, 52140, 59180, 63753, 71016, 85004, 88770, 104280, 106255, 118360, 127506, 170008, 177540, 212510, 233761, 255012, 318765, 355080, 425020, 467522, 510024, 637530, 701283, 850040, 935044, 1168805, 1275060, 1402566, 1870088, 2337610, 2550120, 2805132, 3506415, 4675220, 5610264, 7012830, 9350440, 14025660, 28051320]

約数ペア:

[(1, 28051320), (2, 14025660), (3, 9350440), (4, 7012830), (5, 5610264), (6, 4675220), (8, 3506415), (10, 2805132), (11, 2550120), (12, 2337610), (15, 1870088), (20, 1402566), (22, 1275060), (24, 1168805), (30, 935044), (33, 850040), (40, 701283), (44, 637530), (55, 510024), (60, 467522), (66, 425020), (79, 355080), (88, 318765), (110, 255012), (120, 233761), (132, 212510), (158, 177540), (165, 170008), (220, 127506), (237, 118360), (264, 106255), (269, 104280), (316, 88770), (330, 85004), (395, 71016), (440, 63753), (474, 59180), (538, 52140), (632, 44385), (660, 42502), (790, 35508), (807, 34760), (869, 32280), (948, 29590), (1076, 26070), (1185, 23672), (1320, 21251), (1345, 20856), (1580, 17754), (1614, 17380), (1738, 16140), (1896, 14795), (2152, 13035), (2370, 11836), (2607, 10760), (2690, 10428), (2959, 9480), (3160, 8877), (3228, 8690), (3476, 8070), (4035, 6952), (4345, 6456), (4740, 5918), (5214, 5380)]