28451280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{829}}^1$

素因数の和:869

約数の個数: 160

約数和(自身を含む): 103743360

約数和(自身を除く): 75292080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 104, 110, 120, 130, 132, 143, 156, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 390, 429, 440, 520, 528, 572, 624, 660, 715, 780, 829, 858, 880, 1040, 1144, 1320, 1430, 1560, 1658, 1716, 2145, 2288, 2487, 2640, 2860, 3120, 3316, 3432, 4145, 4290, 4974, 5720, 6632, 6864, 8290, 8580, 9119, 9948, 10777, 11440, 12435, 13264, 16580, 17160, 18238, 19896, 21554, 24870, 27357, 32331, 33160, 34320, 36476, 39792, 43108, 45595, 49740, 53885, 54714, 64662, 66320, 72952, 86216, 91190, 99480, 107770, 109428, 118547, 129324, 136785, 145904, 161655, 172432, 182380, 198960, 215540, 218856, 237094, 258648, 273570, 323310, 355641, 364760, 431080, 437712, 474188, 517296, 547140, 592735, 646620, 711282, 729520, 862160, 948376, 1094280, 1185470, 1293240, 1422564, 1778205, 1896752, 2188560, 2370940, 2586480, 2845128, 3556410, 4741880, 5690256, 7112820, 9483760, 14225640, 28451280]

約数ペア:

[(1, 28451280), (2, 14225640), (3, 9483760), (4, 7112820), (5, 5690256), (6, 4741880), (8, 3556410), (10, 2845128), (11, 2586480), (12, 2370940), (13, 2188560), (15, 1896752), (16, 1778205), (20, 1422564), (22, 1293240), (24, 1185470), (26, 1094280), (30, 948376), (33, 862160), (39, 729520), (40, 711282), (44, 646620), (48, 592735), (52, 547140), (55, 517296), (60, 474188), (65, 437712), (66, 431080), (78, 364760), (80, 355641), (88, 323310), (104, 273570), (110, 258648), (120, 237094), (130, 218856), (132, 215540), (143, 198960), (156, 182380), (165, 172432), (176, 161655), (195, 145904), (208, 136785), (220, 129324), (240, 118547), (260, 109428), (264, 107770), (286, 99480), (312, 91190), (330, 86216), (390, 72952), (429, 66320), (440, 64662), (520, 54714), (528, 53885), (572, 49740), (624, 45595), (660, 43108), (715, 39792), (780, 36476), (829, 34320), (858, 33160), (880, 32331), (1040, 27357), (1144, 24870), (1320, 21554), (1430, 19896), (1560, 18238), (1658, 17160), (1716, 16580), (2145, 13264), (2288, 12435), (2487, 11440), (2640, 10777), (2860, 9948), (3120, 9119), (3316, 8580), (3432, 8290), (4145, 6864), (4290, 6632), (4974, 5720)]