400427280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:939

約数の個数: 320

約数和(自身を含む): 1585612800

約数和(自身を除く): 1185185520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 27, 30, 33, 36, 38, 40, 44, 45, 48, 54, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 108, 110, 114, 120, 132, 135, 144, 152, 165, 171, 176, 180, 190, 198, 209, 216, 220, 228, 240, 264, 270, 285, 297, 304, 330, 342, 360, 380, 396, 418, 432, 440, 456, 495, 513, 528, 540, 570, 594, 627, 660, 684, 720, 760, 792, 836, 855, 880, 887, 912, 990, 1026, 1045, 1080, 1140, 1188, 1254, 1320, 1368, 1485, 1520, 1584, 1672, 1710, 1774, 1881, 1980, 2052, 2090, 2160, 2280, 2376, 2508, 2565, 2640, 2661, 2736, 2970, 3135, 3344, 3420, 3548, 3762, 3960, 4104, 4180, 4435, 4560, 4752, 5016, 5130, 5322, 5643, 5940, 6270, 6840, 7096, 7524, 7920, 7983, 8208, 8360, 8870, 9405, 9757, 10032, 10260, 10644, 11286, 11880, 12540, 13305, 13680, 14192, 15048, 15966, 16720, 16853, 17740, 18810, 19514, 20520, 21288, 22572, 23760, 23949, 25080, 26610, 28215, 29271, 30096, 31932, 33706, 35480, 37620, 39028, 39915, 41040, 42576, 45144, 47898, 48785, 50160, 50559, 53220, 56430, 58542, 63864, 67412, 70960, 75240, 78056, 79830, 84265, 87813, 90288, 95796, 97570, 101118, 106440, 112860, 117084, 119745, 127728, 134824, 146355, 150480, 151677, 156112, 159660, 168530, 175626, 185383, 191592, 195140, 202236, 212880, 225720, 234168, 239490, 252795, 263439, 269648, 292710, 303354, 319320, 337060, 351252, 370766, 383184, 390280, 404472, 439065, 451440, 455031, 468336, 478980, 505590, 526878, 556149, 585420, 606708, 638640, 674120, 702504, 741532, 758385, 780560, 808944, 878130, 910062, 926915, 957960, 1011180, 1053756, 1112298, 1170840, 1213416, 1317195, 1348240, 1405008, 1483064, 1516770, 1668447, 1756260, 1820124, 1853830, 1915920, 2022360, 2107512, 2224596, 2275155, 2341680, 2426832, 2634390, 2780745, 2966128, 3033540, 3336894, 3512520, 3640248, 3707660, 4044720, 4215024, 4449192, 4550310, 5005341, 5268780, 5561490, 6067080, 6673788, 7025040, 7280496, 7415320, 8342235, 8898384, 9100620, 10010682, 10537560, 11122980, 12134160, 13347576, 14830640, 16684470, 18201240, 20021364, 21075120, 22245960, 25026705, 26695152, 33368940, 36402480, 40042728, 44491920, 50053410, 66737880, 80085456, 100106820, 133475760, 200213640, 400427280]

約数ペア:

[(1, 400427280), (2, 200213640), (3, 133475760), (4, 100106820), (5, 80085456), (6, 66737880), (8, 50053410), (9, 44491920), (10, 40042728), (11, 36402480), (12, 33368940), (15, 26695152), (16, 25026705), (18, 22245960), (19, 21075120), (20, 20021364), (22, 18201240), (24, 16684470), (27, 14830640), (30, 13347576), (33, 12134160), (36, 11122980), (38, 10537560), (40, 10010682), (44, 9100620), (45, 8898384), (48, 8342235), (54, 7415320), (55, 7280496), (57, 7025040), (60, 6673788), (66, 6067080), (72, 5561490), (76, 5268780), (80, 5005341), (88, 4550310), (90, 4449192), (95, 4215024), (99, 4044720), (108, 3707660), (110, 3640248), (114, 3512520), (120, 3336894), (132, 3033540), (135, 2966128), (144, 2780745), (152, 2634390), (165, 2426832), (171, 2341680), (176, 2275155), (180, 2224596), (190, 2107512), (198, 2022360), (209, 1915920), (216, 1853830), (220, 1820124), (228, 1756260), (240, 1668447), (264, 1516770), (270, 1483064), (285, 1405008), (297, 1348240), (304, 1317195), (330, 1213416), (342, 1170840), (360, 1112298), (380, 1053756), (396, 1011180), (418, 957960), (432, 926915), (440, 910062), (456, 878130), (495, 808944), (513, 780560), (528, 758385), (540, 741532), (570, 702504), (594, 674120), (627, 638640), (660, 606708), (684, 585420), (720, 556149), (760, 526878), (792, 505590), (836, 478980), (855, 468336), (880, 455031), (887, 451440), (912, 439065), (990, 404472), (1026, 390280), (1045, 383184), (1080, 370766), (1140, 351252), (1188, 337060), (1254, 319320), (1320, 303354), (1368, 292710), (1485, 269648), (1520, 263439), (1584, 252795), (1672, 239490), (1710, 234168), (1774, 225720), (1881, 212880), (1980, 202236), (2052, 195140), (2090, 191592), (2160, 185383), (2280, 175626), (2376, 168530), (2508, 159660), (2565, 156112), (2640, 151677), (2661, 150480), (2736, 146355), (2970, 134824), (3135, 127728), (3344, 119745), (3420, 117084), (3548, 112860), (3762, 106440), (3960, 101118), (4104, 97570), (4180, 95796), (4435, 90288), (4560, 87813), (4752, 84265), (5016, 79830), (5130, 78056), (5322, 75240), (5643, 70960), (5940, 67412), (6270, 63864), (6840, 58542), (7096, 56430), (7524, 53220), (7920, 50559), (7983, 50160), (8208, 48785), (8360, 47898), (8870, 45144), (9405, 42576), (9757, 41040), (10032, 39915), (10260, 39028), (10644, 37620), (11286, 35480), (11880, 33706), (12540, 31932), (13305, 30096), (13680, 29271), (14192, 28215), (15048, 26610), (15966, 25080), (16720, 23949), (16853, 23760), (17740, 22572), (18810, 21288), (19514, 20520)]