161495880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:700

約数の個数: 256

約数和(自身を含む): 623185920

約数和(自身を除く): 461690040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 52, 56, 60, 65, 69, 70, 78, 84, 91, 92, 104, 105, 115, 120, 130, 138, 140, 156, 161, 168, 182, 184, 195, 210, 230, 260, 273, 276, 280, 299, 312, 322, 345, 364, 390, 420, 455, 460, 483, 520, 546, 552, 598, 643, 644, 690, 728, 780, 805, 840, 897, 910, 920, 966, 1092, 1196, 1286, 1288, 1365, 1380, 1495, 1560, 1610, 1794, 1820, 1929, 1932, 2093, 2184, 2392, 2415, 2572, 2730, 2760, 2990, 3215, 3220, 3588, 3640, 3858, 3864, 4186, 4485, 4501, 4830, 5144, 5460, 5980, 6279, 6430, 6440, 7176, 7716, 8359, 8372, 8970, 9002, 9645, 9660, 10465, 10920, 11960, 12558, 12860, 13503, 14789, 15432, 16718, 16744, 17940, 18004, 19290, 19320, 20930, 22505, 25077, 25116, 25720, 27006, 29578, 31395, 33436, 35880, 36008, 38580, 41795, 41860, 44367, 45010, 50154, 50232, 54012, 58513, 59156, 62790, 66872, 67515, 73945, 77160, 83590, 83720, 88734, 90020, 100308, 103523, 108024, 117026, 118312, 125385, 125580, 135030, 147890, 167180, 175539, 177468, 180040, 192257, 200616, 207046, 221835, 234052, 250770, 251160, 270060, 292565, 295780, 310569, 334360, 351078, 354936, 384514, 414092, 443670, 468104, 501540, 517615, 540120, 576771, 585130, 591560, 621138, 702156, 769028, 828184, 877695, 887340, 961285, 1003080, 1035230, 1153542, 1170260, 1242276, 1345799, 1404312, 1538056, 1552845, 1755390, 1774680, 1922570, 2070460, 2307084, 2340520, 2484552, 2691598, 2883855, 3105690, 3510780, 3845140, 4037397, 4140920, 4614168, 5383196, 5767710, 6211380, 6728995, 7021560, 7690280, 8074794, 10766392, 11535420, 12422760, 13457990, 16149588, 20186985, 23070840, 26915980, 32299176, 40373970, 53831960, 80747940, 161495880]

約数ペア:

[(1, 161495880), (2, 80747940), (3, 53831960), (4, 40373970), (5, 32299176), (6, 26915980), (7, 23070840), (8, 20186985), (10, 16149588), (12, 13457990), (13, 12422760), (14, 11535420), (15, 10766392), (20, 8074794), (21, 7690280), (23, 7021560), (24, 6728995), (26, 6211380), (28, 5767710), (30, 5383196), (35, 4614168), (39, 4140920), (40, 4037397), (42, 3845140), (46, 3510780), (52, 3105690), (56, 2883855), (60, 2691598), (65, 2484552), (69, 2340520), (70, 2307084), (78, 2070460), (84, 1922570), (91, 1774680), (92, 1755390), (104, 1552845), (105, 1538056), (115, 1404312), (120, 1345799), (130, 1242276), (138, 1170260), (140, 1153542), (156, 1035230), (161, 1003080), (168, 961285), (182, 887340), (184, 877695), (195, 828184), (210, 769028), (230, 702156), (260, 621138), (273, 591560), (276, 585130), (280, 576771), (299, 540120), (312, 517615), (322, 501540), (345, 468104), (364, 443670), (390, 414092), (420, 384514), (455, 354936), (460, 351078), (483, 334360), (520, 310569), (546, 295780), (552, 292565), (598, 270060), (643, 251160), (644, 250770), (690, 234052), (728, 221835), (780, 207046), (805, 200616), (840, 192257), (897, 180040), (910, 177468), (920, 175539), (966, 167180), (1092, 147890), (1196, 135030), (1286, 125580), (1288, 125385), (1365, 118312), (1380, 117026), (1495, 108024), (1560, 103523), (1610, 100308), (1794, 90020), (1820, 88734), (1929, 83720), (1932, 83590), (2093, 77160), (2184, 73945), (2392, 67515), (2415, 66872), (2572, 62790), (2730, 59156), (2760, 58513), (2990, 54012), (3215, 50232), (3220, 50154), (3588, 45010), (3640, 44367), (3858, 41860), (3864, 41795), (4186, 38580), (4485, 36008), (4501, 35880), (4830, 33436), (5144, 31395), (5460, 29578), (5980, 27006), (6279, 25720), (6430, 25116), (6440, 25077), (7176, 22505), (7716, 20930), (8359, 19320), (8372, 19290), (8970, 18004), (9002, 17940), (9645, 16744), (9660, 16718), (10465, 15432), (10920, 14789), (11960, 13503), (12558, 12860)]