28724400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 180

約数和(自身を含む): 101942880

約数和(自身を除く): 73218480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 79, 80, 90, 100, 101, 120, 144, 150, 158, 180, 200, 202, 225, 237, 240, 300, 303, 316, 360, 395, 400, 404, 450, 474, 505, 600, 606, 632, 711, 720, 790, 808, 900, 909, 948, 1010, 1185, 1200, 1212, 1264, 1422, 1515, 1580, 1616, 1800, 1818, 1896, 1975, 2020, 2370, 2424, 2525, 2844, 3030, 3160, 3555, 3600, 3636, 3792, 3950, 4040, 4545, 4740, 4848, 5050, 5688, 5925, 6060, 6320, 7110, 7272, 7575, 7900, 7979, 8080, 9090, 9480, 10100, 11376, 11850, 12120, 14220, 14544, 15150, 15800, 15958, 17775, 18180, 18960, 20200, 22725, 23700, 23937, 24240, 28440, 30300, 31600, 31916, 35550, 36360, 39895, 40400, 45450, 47400, 47874, 56880, 60600, 63832, 71100, 71811, 72720, 79790, 90900, 94800, 95748, 119685, 121200, 127664, 142200, 143622, 159580, 181800, 191496, 199475, 239370, 284400, 287244, 319160, 359055, 363600, 382992, 398950, 478740, 574488, 598425, 638320, 718110, 797900, 957480, 1148976, 1196850, 1436220, 1595800, 1795275, 1914960, 2393700, 2872440, 3191600, 3590550, 4787400, 5744880, 7181100, 9574800, 14362200, 28724400]

約数ペア:

[(1, 28724400), (2, 14362200), (3, 9574800), (4, 7181100), (5, 5744880), (6, 4787400), (8, 3590550), (9, 3191600), (10, 2872440), (12, 2393700), (15, 1914960), (16, 1795275), (18, 1595800), (20, 1436220), (24, 1196850), (25, 1148976), (30, 957480), (36, 797900), (40, 718110), (45, 638320), (48, 598425), (50, 574488), (60, 478740), (72, 398950), (75, 382992), (79, 363600), (80, 359055), (90, 319160), (100, 287244), (101, 284400), (120, 239370), (144, 199475), (150, 191496), (158, 181800), (180, 159580), (200, 143622), (202, 142200), (225, 127664), (237, 121200), (240, 119685), (300, 95748), (303, 94800), (316, 90900), (360, 79790), (395, 72720), (400, 71811), (404, 71100), (450, 63832), (474, 60600), (505, 56880), (600, 47874), (606, 47400), (632, 45450), (711, 40400), (720, 39895), (790, 36360), (808, 35550), (900, 31916), (909, 31600), (948, 30300), (1010, 28440), (1185, 24240), (1200, 23937), (1212, 23700), (1264, 22725), (1422, 20200), (1515, 18960), (1580, 18180), (1616, 17775), (1800, 15958), (1818, 15800), (1896, 15150), (1975, 14544), (2020, 14220), (2370, 12120), (2424, 11850), (2525, 11376), (2844, 10100), (3030, 9480), (3160, 9090), (3555, 8080), (3600, 7979), (3636, 7900), (3792, 7575), (3950, 7272), (4040, 7110), (4545, 6320), (4740, 6060), (4848, 5925), (5050, 5688)]