256966080

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{38239}}^1$

素因数の和:38266

約数の個数: 112

約数和(自身を含む): 932444160

約数和(自身を除く): 675478080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 38239, 76478, 114717, 152956, 191195, 229434, 267673, 305912, 382390, 458868, 535346, 573585, 611824, 764780, 803019, 917736, 1070692, 1147170, 1223648, 1338365, 1529560, 1606038, 1835472, 2141384, 2294340, 2447296, 2676730, 3059120, 3212076, 3670944, 4015095, 4282768, 4588680, 5353460, 6118240, 6424152, 7341888, 8030190, 8565536, 9177360, 10706920, 12236480, 12848304, 16060380, 17131072, 18354720, 21413840, 25696608, 32120760, 36709440, 42827680, 51393216, 64241520, 85655360, 128483040, 256966080]

約数ペア:

[(1, 256966080), (2, 128483040), (3, 85655360), (4, 64241520), (5, 51393216), (6, 42827680), (7, 36709440), (8, 32120760), (10, 25696608), (12, 21413840), (14, 18354720), (15, 17131072), (16, 16060380), (20, 12848304), (21, 12236480), (24, 10706920), (28, 9177360), (30, 8565536), (32, 8030190), (35, 7341888), (40, 6424152), (42, 6118240), (48, 5353460), (56, 4588680), (60, 4282768), (64, 4015095), (70, 3670944), (80, 3212076), (84, 3059120), (96, 2676730), (105, 2447296), (112, 2294340), (120, 2141384), (140, 1835472), (160, 1606038), (168, 1529560), (192, 1338365), (210, 1223648), (224, 1147170), (240, 1070692), (280, 917736), (320, 803019), (336, 764780), (420, 611824), (448, 573585), (480, 535346), (560, 458868), (672, 382390), (840, 305912), (960, 267673), (1120, 229434), (1344, 191195), (1680, 152956), (2240, 114717), (3360, 76478), (6720, 38239)]