1997216960

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{3049}}^1$

素因数の和:3178

約数の個数: 112

約数和(自身を含む): 5020056000

約数和(自身を除く): 3022839040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 160, 178, 184, 230, 320, 356, 368, 445, 460, 712, 736, 890, 920, 1424, 1472, 1780, 1840, 2047, 2848, 3049, 3560, 3680, 4094, 5696, 6098, 7120, 7360, 8188, 10235, 12196, 14240, 15245, 16376, 20470, 24392, 28480, 30490, 32752, 40940, 48784, 60980, 65504, 70127, 81880, 97568, 121960, 131008, 140254, 163760, 195136, 243920, 271361, 280508, 327520, 350635, 487840, 542722, 561016, 655040, 701270, 975680, 1085444, 1122032, 1356805, 1402540, 2170888, 2244064, 2713610, 2805080, 4341776, 4488128, 5427220, 5610160, 6241303, 8683552, 10854440, 11220320, 12482606, 17367104, 21708880, 22440640, 24965212, 31206515, 43417760, 49930424, 62413030, 86835520, 99860848, 124826060, 199721696, 249652120, 399443392, 499304240, 998608480, 1997216960]

約数ペア:

[(1, 1997216960), (2, 998608480), (4, 499304240), (5, 399443392), (8, 249652120), (10, 199721696), (16, 124826060), (20, 99860848), (23, 86835520), (32, 62413030), (40, 49930424), (46, 43417760), (64, 31206515), (80, 24965212), (89, 22440640), (92, 21708880), (115, 17367104), (160, 12482606), (178, 11220320), (184, 10854440), (230, 8683552), (320, 6241303), (356, 5610160), (368, 5427220), (445, 4488128), (460, 4341776), (712, 2805080), (736, 2713610), (890, 2244064), (920, 2170888), (1424, 1402540), (1472, 1356805), (1780, 1122032), (1840, 1085444), (2047, 975680), (2848, 701270), (3049, 655040), (3560, 561016), (3680, 542722), (4094, 487840), (5696, 350635), (6098, 327520), (7120, 280508), (7360, 271361), (8188, 243920), (10235, 195136), (12196, 163760), (14240, 140254), (15245, 131008), (16376, 121960), (20470, 97568), (24392, 81880), (28480, 70127), (30490, 65504), (32752, 60980), (40940, 48784)]