313985280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{11681}}^1$

素因数の和:11712

約数の個数: 144

約数和(自身を含む): 1146144384

約数和(自身を除く): 832159104

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, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 11681, 13440, 23362, 26880, 35043, 46724, 58405, 70086, 81767, 93448, 116810, 140172, 163534, 175215, 186896, 233620, 245301, 280344, 327068, 350430, 373792, 408835, 467240, 490602, 560688, 654136, 700860, 747584, 817670, 934480, 981204, 1121376, 1226505, 1308272, 1401720, 1495168, 1635340, 1868960, 1962408, 2242752, 2453010, 2616544, 2803440, 2990336, 3270680, 3737920, 3924816, 4485504, 4906020, 5233088, 5606880, 6541360, 7475840, 7849632, 8971008, 9812040, 10466176, 11213760, 13082720, 14951680, 15699264, 19624080, 20932352, 22427520, 26165440, 31398528, 39248160, 44855040, 52330880, 62797056, 78496320, 104661760, 156992640, 313985280]

約数ペア:

[(1, 313985280), (2, 156992640), (3, 104661760), (4, 78496320), (5, 62797056), (6, 52330880), (7, 44855040), (8, 39248160), (10, 31398528), (12, 26165440), (14, 22427520), (15, 20932352), (16, 19624080), (20, 15699264), (21, 14951680), (24, 13082720), (28, 11213760), (30, 10466176), (32, 9812040), (35, 8971008), (40, 7849632), (42, 7475840), (48, 6541360), (56, 5606880), (60, 5233088), (64, 4906020), (70, 4485504), (80, 3924816), (84, 3737920), (96, 3270680), (105, 2990336), (112, 2803440), (120, 2616544), (128, 2453010), (140, 2242752), (160, 1962408), (168, 1868960), (192, 1635340), (210, 1495168), (224, 1401720), (240, 1308272), (256, 1226505), (280, 1121376), (320, 981204), (336, 934480), (384, 817670), (420, 747584), (448, 700860), (480, 654136), (560, 560688), (640, 490602), (672, 467240), (768, 408835), (840, 373792), (896, 350430), (960, 327068), (1120, 280344), (1280, 245301), (1344, 233620), (1680, 186896), (1792, 175215), (1920, 163534), (2240, 140172), (2688, 116810), (3360, 93448), (3840, 81767), (4480, 70086), (5376, 58405), (6720, 46724), (8960, 35043), (11681, 26880), (13440, 23362)]