128393640

素因数分解:

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

素因数の和:6296

約数の個数: 128

約数和(自身を含む): 450576000

約数和(自身を除く): 322182360

約数列:

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

約数ペア:

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