28521360

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{5659}}^1$

素因数の和:5685

約数の個数: 120

約数和(自身を含む): 109487040

約数和(自身を除く): 80965680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 5659, 11318, 16977, 22636, 28295, 33954, 39613, 45272, 50931, 56590, 67908, 79226, 84885, 90544, 101862, 113180, 118839, 135816, 158452, 169770, 198065, 203724, 226360, 237678, 254655, 271632, 316904, 339540, 356517, 396130, 407448, 452720, 475356, 509310, 594195, 633808, 679080, 713034, 792260, 814896, 950712, 1018620, 1188390, 1358160, 1426068, 1584520, 1782585, 1901424, 2037240, 2376780, 2852136, 3169040, 3565170, 4074480, 4753560, 5704272, 7130340, 9507120, 14260680, 28521360]

約数ペア:

[(1, 28521360), (2, 14260680), (3, 9507120), (4, 7130340), (5, 5704272), (6, 4753560), (7, 4074480), (8, 3565170), (9, 3169040), (10, 2852136), (12, 2376780), (14, 2037240), (15, 1901424), (16, 1782585), (18, 1584520), (20, 1426068), (21, 1358160), (24, 1188390), (28, 1018620), (30, 950712), (35, 814896), (36, 792260), (40, 713034), (42, 679080), (45, 633808), (48, 594195), (56, 509310), (60, 475356), (63, 452720), (70, 407448), (72, 396130), (80, 356517), (84, 339540), (90, 316904), (105, 271632), (112, 254655), (120, 237678), (126, 226360), (140, 203724), (144, 198065), (168, 169770), (180, 158452), (210, 135816), (240, 118839), (252, 113180), (280, 101862), (315, 90544), (336, 84885), (360, 79226), (420, 67908), (504, 56590), (560, 50931), (630, 45272), (720, 39613), (840, 33954), (1008, 28295), (1260, 22636), (1680, 16977), (2520, 11318), (5040, 5659)]