122901880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 311040000

約数和(自身を除く): 188138120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 79, 89, 92, 95, 115, 152, 158, 178, 184, 190, 230, 316, 356, 380, 395, 437, 445, 460, 632, 712, 760, 790, 874, 890, 920, 1501, 1580, 1691, 1748, 1780, 1817, 2047, 2185, 3002, 3160, 3382, 3496, 3560, 3634, 4094, 4370, 6004, 6764, 7031, 7268, 7505, 8188, 8455, 8740, 9085, 10235, 12008, 13528, 14062, 14536, 15010, 16376, 16910, 17480, 18170, 20470, 28124, 30020, 33820, 34523, 35155, 36340, 38893, 40940, 56248, 60040, 67640, 69046, 70310, 72680, 77786, 81880, 133589, 138092, 140620, 155572, 161713, 172615, 194465, 267178, 276184, 281240, 311144, 323426, 345230, 388930, 534356, 646852, 667945, 690460, 777860, 808565, 1068712, 1293704, 1335890, 1380920, 1555720, 1617130, 2671780, 3072547, 3234260, 5343560, 6145094, 6468520, 12290188, 15362735, 24580376, 30725470, 61450940, 122901880]

約数ペア:

[(1, 122901880), (2, 61450940), (4, 30725470), (5, 24580376), (8, 15362735), (10, 12290188), (19, 6468520), (20, 6145094), (23, 5343560), (38, 3234260), (40, 3072547), (46, 2671780), (76, 1617130), (79, 1555720), (89, 1380920), (92, 1335890), (95, 1293704), (115, 1068712), (152, 808565), (158, 777860), (178, 690460), (184, 667945), (190, 646852), (230, 534356), (316, 388930), (356, 345230), (380, 323426), (395, 311144), (437, 281240), (445, 276184), (460, 267178), (632, 194465), (712, 172615), (760, 161713), (790, 155572), (874, 140620), (890, 138092), (920, 133589), (1501, 81880), (1580, 77786), (1691, 72680), (1748, 70310), (1780, 69046), (1817, 67640), (2047, 60040), (2185, 56248), (3002, 40940), (3160, 38893), (3382, 36340), (3496, 35155), (3560, 34523), (3634, 33820), (4094, 30020), (4370, 28124), (6004, 20470), (6764, 18170), (7031, 17480), (7268, 16910), (7505, 16376), (8188, 15010), (8455, 14536), (8740, 14062), (9085, 13528), (10235, 12008)]