31800240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1523}}^1$

素因数の和:1571

約数の個数: 120

約数和(自身を含む): 110550960

約数和(自身を除く): 78750720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1392, 1523, 1740, 2088, 2320, 2610, 3046, 3480, 4176, 4569, 5220, 6092, 6960, 7615, 9138, 10440, 12184, 13707, 15230, 18276, 20880, 22845, 24368, 27414, 30460, 36552, 44167, 45690, 54828, 60920, 68535, 73104, 88334, 91380, 109656, 121840, 132501, 137070, 176668, 182760, 219312, 220835, 265002, 274140, 353336, 365520, 397503, 441670, 530004, 548280, 662505, 706672, 795006, 883340, 1060008, 1096560, 1325010, 1590012, 1766680, 1987515, 2120016, 2650020, 3180024, 3533360, 3975030, 5300040, 6360048, 7950060, 10600080, 15900120, 31800240]

約数ペア:

[(1, 31800240), (2, 15900120), (3, 10600080), (4, 7950060), (5, 6360048), (6, 5300040), (8, 3975030), (9, 3533360), (10, 3180024), (12, 2650020), (15, 2120016), (16, 1987515), (18, 1766680), (20, 1590012), (24, 1325010), (29, 1096560), (30, 1060008), (36, 883340), (40, 795006), (45, 706672), (48, 662505), (58, 548280), (60, 530004), (72, 441670), (80, 397503), (87, 365520), (90, 353336), (116, 274140), (120, 265002), (144, 220835), (145, 219312), (174, 182760), (180, 176668), (232, 137070), (240, 132501), (261, 121840), (290, 109656), (348, 91380), (360, 88334), (435, 73104), (464, 68535), (522, 60920), (580, 54828), (696, 45690), (720, 44167), (870, 36552), (1044, 30460), (1160, 27414), (1305, 24368), (1392, 22845), (1523, 20880), (1740, 18276), (2088, 15230), (2320, 13707), (2610, 12184), (3046, 10440), (3480, 9138), (4176, 7615), (4569, 6960), (5220, 6092)]