21970800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:400

約数の個数: 180

約数和(自身を含む): 80954640

約数和(自身を除く): 58983840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 48, 50, 51, 60, 68, 72, 75, 80, 85, 90, 100, 102, 120, 136, 144, 150, 153, 170, 180, 200, 204, 225, 240, 255, 272, 300, 306, 340, 359, 360, 400, 408, 425, 450, 510, 600, 612, 680, 718, 720, 765, 816, 850, 900, 1020, 1077, 1200, 1224, 1275, 1360, 1436, 1530, 1700, 1795, 1800, 2040, 2154, 2448, 2550, 2872, 3060, 3231, 3400, 3590, 3600, 3825, 4080, 4308, 5100, 5385, 5744, 6103, 6120, 6462, 6800, 7180, 7650, 8616, 8975, 10200, 10770, 12206, 12240, 12924, 14360, 15300, 16155, 17232, 17950, 18309, 20400, 21540, 24412, 25848, 26925, 28720, 30515, 30600, 32310, 35900, 36618, 43080, 48824, 51696, 53850, 54927, 61030, 61200, 64620, 71800, 73236, 80775, 86160, 91545, 97648, 107700, 109854, 122060, 129240, 143600, 146472, 152575, 161550, 183090, 215400, 219708, 244120, 258480, 274635, 292944, 305150, 323100, 366180, 430800, 439416, 457725, 488240, 549270, 610300, 646200, 732360, 878832, 915450, 1098540, 1220600, 1292400, 1373175, 1464720, 1830900, 2197080, 2441200, 2746350, 3661800, 4394160, 5492700, 7323600, 10985400, 21970800]

約数ペア:

[(1, 21970800), (2, 10985400), (3, 7323600), (4, 5492700), (5, 4394160), (6, 3661800), (8, 2746350), (9, 2441200), (10, 2197080), (12, 1830900), (15, 1464720), (16, 1373175), (17, 1292400), (18, 1220600), (20, 1098540), (24, 915450), (25, 878832), (30, 732360), (34, 646200), (36, 610300), (40, 549270), (45, 488240), (48, 457725), (50, 439416), (51, 430800), (60, 366180), (68, 323100), (72, 305150), (75, 292944), (80, 274635), (85, 258480), (90, 244120), (100, 219708), (102, 215400), (120, 183090), (136, 161550), (144, 152575), (150, 146472), (153, 143600), (170, 129240), (180, 122060), (200, 109854), (204, 107700), (225, 97648), (240, 91545), (255, 86160), (272, 80775), (300, 73236), (306, 71800), (340, 64620), (359, 61200), (360, 61030), (400, 54927), (408, 53850), (425, 51696), (450, 48824), (510, 43080), (600, 36618), (612, 35900), (680, 32310), (718, 30600), (720, 30515), (765, 28720), (816, 26925), (850, 25848), (900, 24412), (1020, 21540), (1077, 20400), (1200, 18309), (1224, 17950), (1275, 17232), (1360, 16155), (1436, 15300), (1530, 14360), (1700, 12924), (1795, 12240), (1800, 12206), (2040, 10770), (2154, 10200), (2448, 8975), (2550, 8616), (2872, 7650), (3060, 7180), (3231, 6800), (3400, 6462), (3590, 6120), (3600, 6103), (3825, 5744), (4080, 5385), (4308, 5100)]