26938520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 74649600

約数和(自身を除く): 47711080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 47, 56, 70, 89, 92, 94, 115, 140, 161, 178, 184, 188, 230, 235, 280, 322, 329, 356, 376, 445, 460, 470, 623, 644, 658, 712, 805, 890, 920, 940, 1081, 1246, 1288, 1316, 1610, 1645, 1780, 1880, 2047, 2162, 2492, 2632, 3115, 3220, 3290, 3560, 4094, 4183, 4324, 4984, 5405, 6230, 6440, 6580, 7567, 8188, 8366, 8648, 10235, 10810, 12460, 13160, 14329, 15134, 16376, 16732, 20470, 20915, 21620, 24920, 28658, 29281, 30268, 33464, 37835, 40940, 41830, 43240, 57316, 58562, 60536, 71645, 75670, 81880, 83660, 96209, 114632, 117124, 143290, 146405, 151340, 167320, 192418, 234248, 286580, 292810, 302680, 384836, 481045, 573160, 585620, 673463, 769672, 962090, 1171240, 1346926, 1924180, 2693852, 3367315, 3848360, 5387704, 6734630, 13469260, 26938520]

約数ペア:

[(1, 26938520), (2, 13469260), (4, 6734630), (5, 5387704), (7, 3848360), (8, 3367315), (10, 2693852), (14, 1924180), (20, 1346926), (23, 1171240), (28, 962090), (35, 769672), (40, 673463), (46, 585620), (47, 573160), (56, 481045), (70, 384836), (89, 302680), (92, 292810), (94, 286580), (115, 234248), (140, 192418), (161, 167320), (178, 151340), (184, 146405), (188, 143290), (230, 117124), (235, 114632), (280, 96209), (322, 83660), (329, 81880), (356, 75670), (376, 71645), (445, 60536), (460, 58562), (470, 57316), (623, 43240), (644, 41830), (658, 40940), (712, 37835), (805, 33464), (890, 30268), (920, 29281), (940, 28658), (1081, 24920), (1246, 21620), (1288, 20915), (1316, 20470), (1610, 16732), (1645, 16376), (1780, 15134), (1880, 14329), (2047, 13160), (2162, 12460), (2492, 10810), (2632, 10235), (3115, 8648), (3220, 8366), (3290, 8188), (3560, 7567), (4094, 6580), (4183, 6440), (4324, 6230), (4984, 5405)]