260722560

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1069

約数の個数: 256

約数和(自身を含む): 1000742400

約数和(自身を除く): 740019840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 128, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 266, 280, 285, 304, 320, 336, 380, 384, 399, 420, 448, 456, 480, 532, 560, 570, 608, 640, 665, 672, 760, 798, 840, 896, 912, 960, 1021, 1064, 1120, 1140, 1216, 1330, 1344, 1520, 1596, 1680, 1824, 1920, 1995, 2042, 2128, 2240, 2280, 2432, 2660, 2688, 3040, 3063, 3192, 3360, 3648, 3990, 4084, 4256, 4480, 4560, 5105, 5320, 6080, 6126, 6384, 6720, 7147, 7296, 7980, 8168, 8512, 9120, 10210, 10640, 12160, 12252, 12768, 13440, 14294, 15315, 15960, 16336, 17024, 18240, 19399, 20420, 21280, 21441, 24504, 25536, 28588, 30630, 31920, 32672, 35735, 36480, 38798, 40840, 42560, 42882, 49008, 51072, 57176, 58197, 61260, 63840, 65344, 71470, 77596, 81680, 85120, 85764, 96995, 98016, 107205, 114352, 116394, 122520, 127680, 130688, 135793, 142940, 155192, 163360, 171528, 193990, 196032, 214410, 228704, 232788, 245040, 255360, 271586, 285880, 290985, 310384, 326720, 343056, 387980, 392064, 407379, 428820, 457408, 465576, 490080, 543172, 571760, 581970, 620768, 653440, 678965, 686112, 775960, 814758, 857640, 914816, 931152, 980160, 1086344, 1143520, 1163940, 1241536, 1357930, 1372224, 1551920, 1629516, 1715280, 1862304, 1960320, 2036895, 2172688, 2287040, 2327880, 2483072, 2715860, 2744448, 3103840, 3259032, 3430560, 3724608, 4073790, 4345376, 4574080, 4655760, 5431720, 6207680, 6518064, 6861120, 7449216, 8147580, 8690752, 9311520, 10863440, 12415360, 13036128, 13722240, 16295160, 17381504, 18623040, 21726880, 26072256, 32590320, 37246080, 43453760, 52144512, 65180640, 86907520, 130361280, 260722560]

約数ペア:

[(1, 260722560), (2, 130361280), (3, 86907520), (4, 65180640), (5, 52144512), (6, 43453760), (7, 37246080), (8, 32590320), (10, 26072256), (12, 21726880), (14, 18623040), (15, 17381504), (16, 16295160), (19, 13722240), (20, 13036128), (21, 12415360), (24, 10863440), (28, 9311520), (30, 8690752), (32, 8147580), (35, 7449216), (38, 6861120), (40, 6518064), (42, 6207680), (48, 5431720), (56, 4655760), (57, 4574080), (60, 4345376), (64, 4073790), (70, 3724608), (76, 3430560), (80, 3259032), (84, 3103840), (95, 2744448), (96, 2715860), (105, 2483072), (112, 2327880), (114, 2287040), (120, 2172688), (128, 2036895), (133, 1960320), (140, 1862304), (152, 1715280), (160, 1629516), (168, 1551920), (190, 1372224), (192, 1357930), (210, 1241536), (224, 1163940), (228, 1143520), (240, 1086344), (266, 980160), (280, 931152), (285, 914816), (304, 857640), (320, 814758), (336, 775960), (380, 686112), (384, 678965), (399, 653440), (420, 620768), (448, 581970), (456, 571760), (480, 543172), (532, 490080), (560, 465576), (570, 457408), (608, 428820), (640, 407379), (665, 392064), (672, 387980), (760, 343056), (798, 326720), (840, 310384), (896, 290985), (912, 285880), (960, 271586), (1021, 255360), (1064, 245040), (1120, 232788), (1140, 228704), (1216, 214410), (1330, 196032), (1344, 193990), (1520, 171528), (1596, 163360), (1680, 155192), (1824, 142940), (1920, 135793), (1995, 130688), (2042, 127680), (2128, 122520), (2240, 116394), (2280, 114352), (2432, 107205), (2660, 98016), (2688, 96995), (3040, 85764), (3063, 85120), (3192, 81680), (3360, 77596), (3648, 71470), (3990, 65344), (4084, 63840), (4256, 61260), (4480, 58197), (4560, 57176), (5105, 51072), (5320, 49008), (6080, 42882), (6126, 42560), (6384, 40840), (6720, 38798), (7147, 36480), (7296, 35735), (7980, 32672), (8168, 31920), (8512, 30630), (9120, 28588), (10210, 25536), (10640, 24504), (12160, 21441), (12252, 21280), (12768, 20420), (13440, 19399), (14294, 18240), (15315, 17024), (15960, 16336)]