81679290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1861}}^1$

素因数の和:1908

約数の個数: 128

約数和(自身を含む): 257402880

約数和(自身を除く): 175723590

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 19, 21, 22, 30, 33, 35, 38, 42, 55, 57, 66, 70, 77, 95, 105, 110, 114, 133, 154, 165, 190, 209, 210, 231, 266, 285, 330, 385, 399, 418, 462, 570, 627, 665, 770, 798, 1045, 1155, 1254, 1330, 1463, 1861, 1995, 2090, 2310, 2926, 3135, 3722, 3990, 4389, 5583, 6270, 7315, 8778, 9305, 11166, 13027, 14630, 18610, 20471, 21945, 26054, 27915, 35359, 39081, 40942, 43890, 55830, 61413, 65135, 70718, 78162, 102355, 106077, 122826, 130270, 143297, 176795, 195405, 204710, 212154, 247513, 286594, 307065, 353590, 388949, 390810, 429891, 495026, 530385, 614130, 716485, 742539, 777898, 859782, 1060770, 1166847, 1237565, 1432970, 1485078, 1944745, 2149455, 2333694, 2475130, 2722643, 3712695, 3889490, 4298910, 5445286, 5834235, 7425390, 8167929, 11668470, 13613215, 16335858, 27226430, 40839645, 81679290]

約数ペア:

[(1, 81679290), (2, 40839645), (3, 27226430), (5, 16335858), (6, 13613215), (7, 11668470), (10, 8167929), (11, 7425390), (14, 5834235), (15, 5445286), (19, 4298910), (21, 3889490), (22, 3712695), (30, 2722643), (33, 2475130), (35, 2333694), (38, 2149455), (42, 1944745), (55, 1485078), (57, 1432970), (66, 1237565), (70, 1166847), (77, 1060770), (95, 859782), (105, 777898), (110, 742539), (114, 716485), (133, 614130), (154, 530385), (165, 495026), (190, 429891), (209, 390810), (210, 388949), (231, 353590), (266, 307065), (285, 286594), (330, 247513), (385, 212154), (399, 204710), (418, 195405), (462, 176795), (570, 143297), (627, 130270), (665, 122826), (770, 106077), (798, 102355), (1045, 78162), (1155, 70718), (1254, 65135), (1330, 61413), (1463, 55830), (1861, 43890), (1995, 40942), (2090, 39081), (2310, 35359), (2926, 27915), (3135, 26054), (3722, 21945), (3990, 20471), (4389, 18610), (5583, 14630), (6270, 13027), (7315, 11166), (8778, 9305)]