28528920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11321}}^1$

素因数の和:11345

約数の個数: 96

約数和(自身を含む): 105973920

約数和(自身を除く): 77445000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 11321, 22642, 33963, 45284, 56605, 67926, 79247, 90568, 101889, 113210, 135852, 158494, 169815, 203778, 226420, 237741, 271704, 316988, 339630, 396235, 407556, 452840, 475482, 509445, 633976, 679260, 713223, 792470, 815112, 950964, 1018890, 1188705, 1358520, 1426446, 1584940, 1901928, 2037780, 2377410, 2852892, 3169880, 3566115, 4075560, 4754820, 5705784, 7132230, 9509640, 14264460, 28528920]

約数ペア:

[(1, 28528920), (2, 14264460), (3, 9509640), (4, 7132230), (5, 5705784), (6, 4754820), (7, 4075560), (8, 3566115), (9, 3169880), (10, 2852892), (12, 2377410), (14, 2037780), (15, 1901928), (18, 1584940), (20, 1426446), (21, 1358520), (24, 1188705), (28, 1018890), (30, 950964), (35, 815112), (36, 792470), (40, 713223), (42, 679260), (45, 633976), (56, 509445), (60, 475482), (63, 452840), (70, 407556), (72, 396235), (84, 339630), (90, 316988), (105, 271704), (120, 237741), (126, 226420), (140, 203778), (168, 169815), (180, 158494), (210, 135852), (252, 113210), (280, 101889), (315, 90568), (360, 79247), (420, 67926), (504, 56605), (630, 45284), (840, 33963), (1260, 22642), (2520, 11321)]