19420237680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113489}}^1$

素因数の和:113559

約数の個数: 160

約数和(自身を含む): 64847278080

約数和(自身を除く): 45427040400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 40, 46, 48, 60, 62, 69, 80, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 240, 248, 276, 310, 345, 368, 372, 460, 465, 496, 552, 620, 690, 713, 744, 920, 930, 1104, 1240, 1380, 1426, 1488, 1840, 1860, 2139, 2480, 2760, 2852, 3565, 3720, 4278, 5520, 5704, 7130, 7440, 8556, 10695, 11408, 14260, 17112, 21390, 28520, 34224, 42780, 57040, 85560, 113489, 171120, 226978, 340467, 453956, 567445, 680934, 907912, 1134890, 1361868, 1702335, 1815824, 2269780, 2610247, 2723736, 3404670, 3518159, 4539560, 5220494, 5447472, 6809340, 7036318, 7830741, 9079120, 10440988, 10554477, 13051235, 13618680, 14072636, 15661482, 17590795, 20881976, 21108954, 26102470, 27237360, 28145272, 31322964, 35181590, 39153705, 41763952, 42217908, 52204940, 52772385, 56290544, 62645928, 70363180, 78307410, 80917657, 84435816, 104409880, 105544770, 125291856, 140726360, 156614820, 161835314, 168871632, 208819760, 211089540, 242752971, 281452720, 313229640, 323670628, 404588285, 422179080, 485505942, 626459280, 647341256, 809176570, 844358160, 971011884, 1213764855, 1294682512, 1618353140, 1942023768, 2427529710, 3236706280, 3884047536, 4855059420, 6473412560, 9710118840, 19420237680]

約数ペア:

[(1, 19420237680), (2, 9710118840), (3, 6473412560), (4, 4855059420), (5, 3884047536), (6, 3236706280), (8, 2427529710), (10, 1942023768), (12, 1618353140), (15, 1294682512), (16, 1213764855), (20, 971011884), (23, 844358160), (24, 809176570), (30, 647341256), (31, 626459280), (40, 485505942), (46, 422179080), (48, 404588285), (60, 323670628), (62, 313229640), (69, 281452720), (80, 242752971), (92, 211089540), (93, 208819760), (115, 168871632), (120, 161835314), (124, 156614820), (138, 140726360), (155, 125291856), (184, 105544770), (186, 104409880), (230, 84435816), (240, 80917657), (248, 78307410), (276, 70363180), (310, 62645928), (345, 56290544), (368, 52772385), (372, 52204940), (460, 42217908), (465, 41763952), (496, 39153705), (552, 35181590), (620, 31322964), (690, 28145272), (713, 27237360), (744, 26102470), (920, 21108954), (930, 20881976), (1104, 17590795), (1240, 15661482), (1380, 14072636), (1426, 13618680), (1488, 13051235), (1840, 10554477), (1860, 10440988), (2139, 9079120), (2480, 7830741), (2760, 7036318), (2852, 6809340), (3565, 5447472), (3720, 5220494), (4278, 4539560), (5520, 3518159), (5704, 3404670), (7130, 2723736), (7440, 2610247), (8556, 2269780), (10695, 1815824), (11408, 1702335), (14260, 1361868), (17112, 1134890), (21390, 907912), (28520, 680934), (34224, 567445), (42780, 453956), (57040, 340467), (85560, 226978), (113489, 171120)]