256787280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6257}}^1$

素因数の和:6298

約数の個数: 160

約数和(自身を含む): 931190400

約数和(自身を除く): 674403120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 2052, 2160, 2280, 2565, 2736, 3420, 4104, 4560, 5130, 6257, 6840, 8208, 10260, 12514, 13680, 18771, 20520, 25028, 31285, 37542, 41040, 50056, 56313, 62570, 75084, 93855, 100112, 112626, 118883, 125140, 150168, 168939, 187710, 225252, 237766, 250280, 281565, 300336, 337878, 356649, 375420, 450504, 475532, 500560, 563130, 594415, 675756, 713298, 750840, 844695, 901008, 951064, 1069947, 1126260, 1188830, 1351512, 1426596, 1501680, 1689390, 1783245, 1902128, 2139894, 2252520, 2377660, 2703024, 2853192, 3209841, 3378780, 3566490, 4279788, 4505040, 4755320, 5349735, 5706384, 6419682, 6757560, 7132980, 8559576, 9510640, 10699470, 12839364, 13515120, 14265960, 16049205, 17119152, 21398940, 25678728, 28531920, 32098410, 42797880, 51357456, 64196820, 85595760, 128393640, 256787280]

約数ペア:

[(1, 256787280), (2, 128393640), (3, 85595760), (4, 64196820), (5, 51357456), (6, 42797880), (8, 32098410), (9, 28531920), (10, 25678728), (12, 21398940), (15, 17119152), (16, 16049205), (18, 14265960), (19, 13515120), (20, 12839364), (24, 10699470), (27, 9510640), (30, 8559576), (36, 7132980), (38, 6757560), (40, 6419682), (45, 5706384), (48, 5349735), (54, 4755320), (57, 4505040), (60, 4279788), (72, 3566490), (76, 3378780), (80, 3209841), (90, 2853192), (95, 2703024), (108, 2377660), (114, 2252520), (120, 2139894), (135, 1902128), (144, 1783245), (152, 1689390), (171, 1501680), (180, 1426596), (190, 1351512), (216, 1188830), (228, 1126260), (240, 1069947), (270, 951064), (285, 901008), (304, 844695), (342, 750840), (360, 713298), (380, 675756), (432, 594415), (456, 563130), (513, 500560), (540, 475532), (570, 450504), (684, 375420), (720, 356649), (760, 337878), (855, 300336), (912, 281565), (1026, 250280), (1080, 237766), (1140, 225252), (1368, 187710), (1520, 168939), (1710, 150168), (2052, 125140), (2160, 118883), (2280, 112626), (2565, 100112), (2736, 93855), (3420, 75084), (4104, 62570), (4560, 56313), (5130, 50056), (6257, 41040), (6840, 37542), (8208, 31285), (10260, 25028), (12514, 20520), (13680, 18771)]