28747320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{4889}}^1$

素因数の和:4917

約数の個数: 96

約数和(自身を含む): 100342800

約数和(自身を除く): 71595480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 4889, 5880, 9778, 14667, 19556, 24445, 29334, 34223, 39112, 48890, 58668, 68446, 73335, 97780, 102669, 117336, 136892, 146670, 171115, 195560, 205338, 239561, 273784, 293340, 342230, 410676, 479122, 513345, 586680, 684460, 718683, 821352, 958244, 1026690, 1197805, 1368920, 1437366, 1916488, 2053380, 2395610, 2874732, 3593415, 4106760, 4791220, 5749464, 7186830, 9582440, 14373660, 28747320]

約数ペア:

[(1, 28747320), (2, 14373660), (3, 9582440), (4, 7186830), (5, 5749464), (6, 4791220), (7, 4106760), (8, 3593415), (10, 2874732), (12, 2395610), (14, 2053380), (15, 1916488), (20, 1437366), (21, 1368920), (24, 1197805), (28, 1026690), (30, 958244), (35, 821352), (40, 718683), (42, 684460), (49, 586680), (56, 513345), (60, 479122), (70, 410676), (84, 342230), (98, 293340), (105, 273784), (120, 239561), (140, 205338), (147, 195560), (168, 171115), (196, 146670), (210, 136892), (245, 117336), (280, 102669), (294, 97780), (392, 73335), (420, 68446), (490, 58668), (588, 48890), (735, 39112), (840, 34223), (980, 29334), (1176, 24445), (1470, 19556), (1960, 14667), (2940, 9778), (4889, 5880)]