2085720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 7741440

約数和(自身を除く): 5655720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 191, 195, 210, 260, 273, 280, 312, 364, 382, 390, 420, 455, 520, 546, 573, 728, 764, 780, 840, 910, 955, 1092, 1146, 1337, 1365, 1528, 1560, 1820, 1910, 2184, 2292, 2483, 2674, 2730, 2865, 3640, 3820, 4011, 4584, 4966, 5348, 5460, 5730, 6685, 7449, 7640, 8022, 9932, 10696, 10920, 11460, 12415, 13370, 14898, 16044, 17381, 19864, 20055, 22920, 24830, 26740, 29796, 32088, 34762, 37245, 40110, 49660, 52143, 53480, 59592, 69524, 74490, 80220, 86905, 99320, 104286, 139048, 148980, 160440, 173810, 208572, 260715, 297960, 347620, 417144, 521430, 695240, 1042860, 2085720]

約数ペア:

[(1, 2085720), (2, 1042860), (3, 695240), (4, 521430), (5, 417144), (6, 347620), (7, 297960), (8, 260715), (10, 208572), (12, 173810), (13, 160440), (14, 148980), (15, 139048), (20, 104286), (21, 99320), (24, 86905), (26, 80220), (28, 74490), (30, 69524), (35, 59592), (39, 53480), (40, 52143), (42, 49660), (52, 40110), (56, 37245), (60, 34762), (65, 32088), (70, 29796), (78, 26740), (84, 24830), (91, 22920), (104, 20055), (105, 19864), (120, 17381), (130, 16044), (140, 14898), (156, 13370), (168, 12415), (182, 11460), (191, 10920), (195, 10696), (210, 9932), (260, 8022), (273, 7640), (280, 7449), (312, 6685), (364, 5730), (382, 5460), (390, 5348), (420, 4966), (455, 4584), (520, 4011), (546, 3820), (573, 3640), (728, 2865), (764, 2730), (780, 2674), (840, 2483), (910, 2292), (955, 2184), (1092, 1910), (1146, 1820), (1337, 1560), (1365, 1528)]