81536220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:926

約数の個数: 144

約数和(自身を含む): 270291840

約数和(自身を除く): 188755620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 883, 972, 1026, 1140, 1215, 1539, 1620, 1710, 1766, 2052, 2430, 2565, 2649, 3078, 3420, 3532, 4415, 4617, 4860, 5130, 5298, 6156, 7695, 7947, 8830, 9234, 10260, 10596, 13245, 15390, 15894, 16777, 17660, 18468, 23085, 23841, 26490, 30780, 31788, 33554, 39735, 46170, 47682, 50331, 52980, 67108, 71523, 79470, 83885, 92340, 95364, 100662, 119205, 143046, 150993, 158940, 167770, 201324, 214569, 238410, 251655, 286092, 301986, 335540, 357615, 429138, 452979, 476820, 503310, 603972, 715230, 754965, 858276, 905958, 1006620, 1072845, 1358937, 1430460, 1509930, 1811916, 2145690, 2264895, 2717874, 3019860, 4076811, 4291380, 4529790, 5435748, 6794685, 8153622, 9059580, 13589370, 16307244, 20384055, 27178740, 40768110, 81536220]

約数ペア:

[(1, 81536220), (2, 40768110), (3, 27178740), (4, 20384055), (5, 16307244), (6, 13589370), (9, 9059580), (10, 8153622), (12, 6794685), (15, 5435748), (18, 4529790), (19, 4291380), (20, 4076811), (27, 3019860), (30, 2717874), (36, 2264895), (38, 2145690), (45, 1811916), (54, 1509930), (57, 1430460), (60, 1358937), (76, 1072845), (81, 1006620), (90, 905958), (95, 858276), (108, 754965), (114, 715230), (135, 603972), (162, 503310), (171, 476820), (180, 452979), (190, 429138), (228, 357615), (243, 335540), (270, 301986), (285, 286092), (324, 251655), (342, 238410), (380, 214569), (405, 201324), (486, 167770), (513, 158940), (540, 150993), (570, 143046), (684, 119205), (810, 100662), (855, 95364), (883, 92340), (972, 83885), (1026, 79470), (1140, 71523), (1215, 67108), (1539, 52980), (1620, 50331), (1710, 47682), (1766, 46170), (2052, 39735), (2430, 33554), (2565, 31788), (2649, 30780), (3078, 26490), (3420, 23841), (3532, 23085), (4415, 18468), (4617, 17660), (4860, 16777), (5130, 15894), (5298, 15390), (6156, 13245), (7695, 10596), (7947, 10260), (8830, 9234)]