280907520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{383}}^1$

素因数の和:598

約数の個数: 144

約数和(自身を含む): 904200192

約数和(自身を除く): 623292672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 191, 192, 240, 256, 320, 382, 383, 384, 480, 573, 640, 764, 766, 768, 955, 960, 1146, 1149, 1280, 1528, 1532, 1910, 1915, 1920, 2292, 2298, 2865, 3056, 3064, 3820, 3830, 3840, 4584, 4596, 5730, 5745, 6112, 6128, 7640, 7660, 9168, 9192, 11460, 11490, 12224, 12256, 15280, 15320, 18336, 18384, 22920, 22980, 24448, 24512, 30560, 30640, 36672, 36768, 45840, 45960, 48896, 49024, 61120, 61280, 73153, 73344, 73536, 91680, 91920, 98048, 122240, 122560, 146306, 146688, 147072, 183360, 183840, 219459, 244480, 245120, 292612, 294144, 365765, 366720, 367680, 438918, 490240, 585224, 731530, 733440, 735360, 877836, 1097295, 1170448, 1463060, 1470720, 1755672, 2194590, 2340896, 2926120, 3511344, 4389180, 4681792, 5852240, 7022688, 8778360, 9363584, 11704480, 14045376, 17556720, 18727168, 23408960, 28090752, 35113440, 46817920, 56181504, 70226880, 93635840, 140453760, 280907520]

約数ペア:

[(1, 280907520), (2, 140453760), (3, 93635840), (4, 70226880), (5, 56181504), (6, 46817920), (8, 35113440), (10, 28090752), (12, 23408960), (15, 18727168), (16, 17556720), (20, 14045376), (24, 11704480), (30, 9363584), (32, 8778360), (40, 7022688), (48, 5852240), (60, 4681792), (64, 4389180), (80, 3511344), (96, 2926120), (120, 2340896), (128, 2194590), (160, 1755672), (191, 1470720), (192, 1463060), (240, 1170448), (256, 1097295), (320, 877836), (382, 735360), (383, 733440), (384, 731530), (480, 585224), (573, 490240), (640, 438918), (764, 367680), (766, 366720), (768, 365765), (955, 294144), (960, 292612), (1146, 245120), (1149, 244480), (1280, 219459), (1528, 183840), (1532, 183360), (1910, 147072), (1915, 146688), (1920, 146306), (2292, 122560), (2298, 122240), (2865, 98048), (3056, 91920), (3064, 91680), (3820, 73536), (3830, 73344), (3840, 73153), (4584, 61280), (4596, 61120), (5730, 49024), (5745, 48896), (6112, 45960), (6128, 45840), (7640, 36768), (7660, 36672), (9168, 30640), (9192, 30560), (11460, 24512), (11490, 24448), (12224, 22980), (12256, 22920), (15280, 18384), (15320, 18336)]