21519760320

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2490713}}^1$

素因数の和:2490739

約数の個数: 112

約数和(自身を含む): 75916962720

約数和(自身を除く): 54397202400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 2490713, 4981426, 7472139, 9962852, 12453565, 14944278, 19925704, 22416417, 24907130, 29888556, 37360695, 39851408, 44832834, 49814260, 59777112, 67249251, 74721390, 79702816, 89665668, 99628520, 112082085, 119554224, 134498502, 149442780, 159405632, 179331336, 199257040, 224164170, 239108448, 268997004, 298885560, 336246255, 358662672, 398514080, 448328340, 478216896, 537994008, 597771120, 672492510, 717325344, 797028160, 896656680, 1075988016, 1195542240, 1344985020, 1434650688, 1793313360, 2151976032, 2391084480, 2689970040, 3586626720, 4303952064, 5379940080, 7173253440, 10759880160, 21519760320]

約数ペア:

[(1, 21519760320), (2, 10759880160), (3, 7173253440), (4, 5379940080), (5, 4303952064), (6, 3586626720), (8, 2689970040), (9, 2391084480), (10, 2151976032), (12, 1793313360), (15, 1434650688), (16, 1344985020), (18, 1195542240), (20, 1075988016), (24, 896656680), (27, 797028160), (30, 717325344), (32, 672492510), (36, 597771120), (40, 537994008), (45, 478216896), (48, 448328340), (54, 398514080), (60, 358662672), (64, 336246255), (72, 298885560), (80, 268997004), (90, 239108448), (96, 224164170), (108, 199257040), (120, 179331336), (135, 159405632), (144, 149442780), (160, 134498502), (180, 119554224), (192, 112082085), (216, 99628520), (240, 89665668), (270, 79702816), (288, 74721390), (320, 67249251), (360, 59777112), (432, 49814260), (480, 44832834), (540, 39851408), (576, 37360695), (720, 29888556), (864, 24907130), (960, 22416417), (1080, 19925704), (1440, 14944278), (1728, 12453565), (2160, 9962852), (2880, 7472139), (4320, 4981426), (8640, 2490713)]