81499600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2239}}^1$

素因数の和:2277

約数の個数: 120

約数和(自身を含む): 241095680

約数和(自身を除く): 159596080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 175, 182, 200, 208, 260, 280, 325, 350, 364, 400, 455, 520, 560, 650, 700, 728, 910, 1040, 1300, 1400, 1456, 1820, 2239, 2275, 2600, 2800, 3640, 4478, 4550, 5200, 7280, 8956, 9100, 11195, 15673, 17912, 18200, 22390, 29107, 31346, 35824, 36400, 44780, 55975, 58214, 62692, 78365, 89560, 111950, 116428, 125384, 145535, 156730, 179120, 203749, 223900, 232856, 250768, 291070, 313460, 391825, 407498, 447800, 465712, 582140, 626920, 727675, 783650, 814996, 895600, 1018745, 1164280, 1253840, 1455350, 1567300, 1629992, 2037490, 2328560, 2910700, 3134600, 3259984, 4074980, 5093725, 5821400, 6269200, 8149960, 10187450, 11642800, 16299920, 20374900, 40749800, 81499600]

約数ペア:

[(1, 81499600), (2, 40749800), (4, 20374900), (5, 16299920), (7, 11642800), (8, 10187450), (10, 8149960), (13, 6269200), (14, 5821400), (16, 5093725), (20, 4074980), (25, 3259984), (26, 3134600), (28, 2910700), (35, 2328560), (40, 2037490), (50, 1629992), (52, 1567300), (56, 1455350), (65, 1253840), (70, 1164280), (80, 1018745), (91, 895600), (100, 814996), (104, 783650), (112, 727675), (130, 626920), (140, 582140), (175, 465712), (182, 447800), (200, 407498), (208, 391825), (260, 313460), (280, 291070), (325, 250768), (350, 232856), (364, 223900), (400, 203749), (455, 179120), (520, 156730), (560, 145535), (650, 125384), (700, 116428), (728, 111950), (910, 89560), (1040, 78365), (1300, 62692), (1400, 58214), (1456, 55975), (1820, 44780), (2239, 36400), (2275, 35824), (2600, 31346), (2800, 29107), (3640, 22390), (4478, 18200), (4550, 17912), (5200, 15673), (7280, 11195), (8956, 9100)]