28303560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:452

約数の個数: 128

約数和(自身を含む): 95904000

約数和(自身を除く): 67600440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 73, 90, 108, 120, 135, 146, 180, 216, 219, 270, 292, 359, 360, 365, 438, 540, 584, 657, 718, 730, 876, 1077, 1080, 1095, 1314, 1436, 1460, 1752, 1795, 1971, 2154, 2190, 2628, 2872, 2920, 3231, 3285, 3590, 3942, 4308, 4380, 5256, 5385, 6462, 6570, 7180, 7884, 8616, 8760, 9693, 9855, 10770, 12924, 13140, 14360, 15768, 16155, 19386, 19710, 21540, 25848, 26207, 26280, 32310, 38772, 39420, 43080, 48465, 52414, 64620, 77544, 78621, 78840, 96930, 104828, 129240, 131035, 157242, 193860, 209656, 235863, 262070, 314484, 387720, 393105, 471726, 524140, 628968, 707589, 786210, 943452, 1048280, 1179315, 1415178, 1572420, 1886904, 2358630, 2830356, 3144840, 3537945, 4717260, 5660712, 7075890, 9434520, 14151780, 28303560]

約数ペア:

[(1, 28303560), (2, 14151780), (3, 9434520), (4, 7075890), (5, 5660712), (6, 4717260), (8, 3537945), (9, 3144840), (10, 2830356), (12, 2358630), (15, 1886904), (18, 1572420), (20, 1415178), (24, 1179315), (27, 1048280), (30, 943452), (36, 786210), (40, 707589), (45, 628968), (54, 524140), (60, 471726), (72, 393105), (73, 387720), (90, 314484), (108, 262070), (120, 235863), (135, 209656), (146, 193860), (180, 157242), (216, 131035), (219, 129240), (270, 104828), (292, 96930), (359, 78840), (360, 78621), (365, 77544), (438, 64620), (540, 52414), (584, 48465), (657, 43080), (718, 39420), (730, 38772), (876, 32310), (1077, 26280), (1080, 26207), (1095, 25848), (1314, 21540), (1436, 19710), (1460, 19386), (1752, 16155), (1795, 15768), (1971, 14360), (2154, 13140), (2190, 12924), (2628, 10770), (2872, 9855), (2920, 9693), (3231, 8760), (3285, 8616), (3590, 7884), (3942, 7180), (4308, 6570), (4380, 6462), (5256, 5385)]