320509440

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{4637}}^1$

素因数の和:4669

約数の個数: 160

約数和(自身を含む): 1138721760

約数和(自身を除く): 818212320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3840, 4320, 4608, 4637, 5760, 6912, 7680, 8640, 9274, 11520, 13824, 13911, 17280, 18548, 23040, 23185, 27822, 34560, 37096, 41733, 46370, 55644, 69120, 69555, 74192, 83466, 92740, 111288, 125199, 139110, 148384, 166932, 185480, 208665, 222576, 250398, 278220, 296768, 333864, 370960, 417330, 445152, 500796, 556440, 593536, 625995, 667728, 741920, 834660, 890304, 1001592, 1112880, 1187072, 1251990, 1335456, 1483840, 1669320, 1780608, 2003184, 2225760, 2374144, 2503980, 2670912, 2967680, 3338640, 3561216, 4006368, 4451520, 5007960, 5341824, 5935360, 6677280, 7122432, 8012736, 8903040, 10015920, 10683648, 11870720, 13354560, 16025472, 17806080, 20031840, 21367296, 26709120, 32050944, 35612160, 40063680, 53418240, 64101888, 80127360, 106836480, 160254720, 320509440]

約数ペア:

[(1, 320509440), (2, 160254720), (3, 106836480), (4, 80127360), (5, 64101888), (6, 53418240), (8, 40063680), (9, 35612160), (10, 32050944), (12, 26709120), (15, 21367296), (16, 20031840), (18, 17806080), (20, 16025472), (24, 13354560), (27, 11870720), (30, 10683648), (32, 10015920), (36, 8903040), (40, 8012736), (45, 7122432), (48, 6677280), (54, 5935360), (60, 5341824), (64, 5007960), (72, 4451520), (80, 4006368), (90, 3561216), (96, 3338640), (108, 2967680), (120, 2670912), (128, 2503980), (135, 2374144), (144, 2225760), (160, 2003184), (180, 1780608), (192, 1669320), (216, 1483840), (240, 1335456), (256, 1251990), (270, 1187072), (288, 1112880), (320, 1001592), (360, 890304), (384, 834660), (432, 741920), (480, 667728), (512, 625995), (540, 593536), (576, 556440), (640, 500796), (720, 445152), (768, 417330), (864, 370960), (960, 333864), (1080, 296768), (1152, 278220), (1280, 250398), (1440, 222576), (1536, 208665), (1728, 185480), (1920, 166932), (2160, 148384), (2304, 139110), (2560, 125199), (2880, 111288), (3456, 92740), (3840, 83466), (4320, 74192), (4608, 69555), (4637, 69120), (5760, 55644), (6912, 46370), (7680, 41733), (8640, 37096), (9274, 34560), (11520, 27822), (13824, 23185), (13911, 23040), (17280, 18548)]