1978133130

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5431}}^1$

素因数の和:5537

約数の個数: 128

約数和(自身を含む): 5631897600

約数和(自身を除く): 3653764470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 71, 90, 95, 114, 135, 142, 171, 190, 213, 270, 285, 342, 355, 426, 513, 570, 639, 710, 855, 1026, 1065, 1278, 1349, 1710, 1917, 2130, 2565, 2698, 3195, 3834, 4047, 5130, 5431, 6390, 6745, 8094, 9585, 10862, 12141, 13490, 16293, 19170, 20235, 24282, 27155, 32586, 36423, 40470, 48879, 54310, 60705, 72846, 81465, 97758, 103189, 121410, 146637, 162930, 182115, 206378, 244395, 293274, 309567, 364230, 385601, 488790, 515945, 619134, 733185, 771202, 928701, 1031890, 1156803, 1466370, 1547835, 1857402, 1928005, 2313606, 2786103, 3095670, 3470409, 3856010, 4643505, 5572206, 5784015, 6940818, 7326419, 9287010, 10411227, 11568030, 13930515, 14652838, 17352045, 20822454, 21979257, 27861030, 34704090, 36632095, 43958514, 52056135, 65937771, 73264190, 104112270, 109896285, 131875542, 197813313, 219792570, 329688855, 395626626, 659377710, 989066565, 1978133130]

約数ペア:

[(1, 1978133130), (2, 989066565), (3, 659377710), (5, 395626626), (6, 329688855), (9, 219792570), (10, 197813313), (15, 131875542), (18, 109896285), (19, 104112270), (27, 73264190), (30, 65937771), (38, 52056135), (45, 43958514), (54, 36632095), (57, 34704090), (71, 27861030), (90, 21979257), (95, 20822454), (114, 17352045), (135, 14652838), (142, 13930515), (171, 11568030), (190, 10411227), (213, 9287010), (270, 7326419), (285, 6940818), (342, 5784015), (355, 5572206), (426, 4643505), (513, 3856010), (570, 3470409), (639, 3095670), (710, 2786103), (855, 2313606), (1026, 1928005), (1065, 1857402), (1278, 1547835), (1349, 1466370), (1710, 1156803), (1917, 1031890), (2130, 928701), (2565, 771202), (2698, 733185), (3195, 619134), (3834, 515945), (4047, 488790), (5130, 385601), (5431, 364230), (6390, 309567), (6745, 293274), (8094, 244395), (9585, 206378), (10862, 182115), (12141, 162930), (13490, 146637), (16293, 121410), (19170, 103189), (20235, 97758), (24282, 81465), (27155, 72846), (32586, 60705), (36423, 54310), (40470, 48879)]