19640160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:637

約数の個数: 144

約数和(自身を含む): 70053984

約数和(自身を除く): 50413824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 593, 690, 720, 736, 828, 920, 1035, 1104, 1186, 1380, 1440, 1656, 1779, 1840, 2070, 2208, 2372, 2760, 2965, 3312, 3558, 3680, 4140, 4744, 5337, 5520, 5930, 6624, 7116, 8280, 8895, 9488, 10674, 11040, 11860, 13639, 14232, 16560, 17790, 18976, 21348, 23720, 26685, 27278, 28464, 33120, 35580, 40917, 42696, 47440, 53370, 54556, 56928, 68195, 71160, 81834, 85392, 94880, 106740, 109112, 122751, 136390, 142320, 163668, 170784, 204585, 213480, 218224, 245502, 272780, 284640, 327336, 409170, 426960, 436448, 491004, 545560, 613755, 654672, 818340, 853920, 982008, 1091120, 1227510, 1309344, 1636680, 1964016, 2182240, 2455020, 3273360, 3928032, 4910040, 6546720, 9820080, 19640160]

約数ペア:

[(1, 19640160), (2, 9820080), (3, 6546720), (4, 4910040), (5, 3928032), (6, 3273360), (8, 2455020), (9, 2182240), (10, 1964016), (12, 1636680), (15, 1309344), (16, 1227510), (18, 1091120), (20, 982008), (23, 853920), (24, 818340), (30, 654672), (32, 613755), (36, 545560), (40, 491004), (45, 436448), (46, 426960), (48, 409170), (60, 327336), (69, 284640), (72, 272780), (80, 245502), (90, 218224), (92, 213480), (96, 204585), (115, 170784), (120, 163668), (138, 142320), (144, 136390), (160, 122751), (180, 109112), (184, 106740), (207, 94880), (230, 85392), (240, 81834), (276, 71160), (288, 68195), (345, 56928), (360, 54556), (368, 53370), (414, 47440), (460, 42696), (480, 40917), (552, 35580), (593, 33120), (690, 28464), (720, 27278), (736, 26685), (828, 23720), (920, 21348), (1035, 18976), (1104, 17790), (1186, 16560), (1380, 14232), (1440, 13639), (1656, 11860), (1779, 11040), (1840, 10674), (2070, 9488), (2208, 8895), (2372, 8280), (2760, 7116), (2965, 6624), (3312, 5930), (3558, 5520), (3680, 5337), (4140, 4744)]