281742720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{20963}}^1$

素因数の和:20992

約数の個数: 128

約数和(自身を含む): 1026397440

約数和(自身を除く): 744654720

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, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 20963, 41926, 62889, 83852, 104815, 125778, 146741, 167704, 209630, 251556, 293482, 314445, 335408, 419260, 440223, 503112, 586964, 628890, 670816, 733705, 838520, 880446, 1006224, 1173928, 1257780, 1341632, 1467410, 1677040, 1760892, 2012448, 2201115, 2347856, 2515560, 2683264, 2934820, 3354080, 3521784, 4024896, 4402230, 4695712, 5031120, 5869640, 6708160, 7043568, 8049792, 8804460, 9391424, 10062240, 11739280, 13416320, 14087136, 17608920, 18782848, 20124480, 23478560, 28174272, 35217840, 40248960, 46957120, 56348544, 70435680, 93914240, 140871360, 281742720]

約数ペア:

[(1, 281742720), (2, 140871360), (3, 93914240), (4, 70435680), (5, 56348544), (6, 46957120), (7, 40248960), (8, 35217840), (10, 28174272), (12, 23478560), (14, 20124480), (15, 18782848), (16, 17608920), (20, 14087136), (21, 13416320), (24, 11739280), (28, 10062240), (30, 9391424), (32, 8804460), (35, 8049792), (40, 7043568), (42, 6708160), (48, 5869640), (56, 5031120), (60, 4695712), (64, 4402230), (70, 4024896), (80, 3521784), (84, 3354080), (96, 2934820), (105, 2683264), (112, 2515560), (120, 2347856), (128, 2201115), (140, 2012448), (160, 1760892), (168, 1677040), (192, 1467410), (210, 1341632), (224, 1257780), (240, 1173928), (280, 1006224), (320, 880446), (336, 838520), (384, 733705), (420, 670816), (448, 628890), (480, 586964), (560, 503112), (640, 440223), (672, 419260), (840, 335408), (896, 314445), (960, 293482), (1120, 251556), (1344, 209630), (1680, 167704), (1920, 146741), (2240, 125778), (2688, 104815), (3360, 83852), (4480, 62889), (6720, 41926), (13440, 20963)]