1820869920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1913}}^1$

素因数の和:2595

約数の個数: 144

約数和(自身を含む): 6226372152

約数和(自身を除く): 4405502232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 661, 720, 1322, 1440, 1913, 1983, 2644, 3305, 3826, 3966, 5288, 5739, 5949, 6610, 7652, 7932, 9565, 9915, 10576, 11478, 11898, 13220, 15304, 15864, 17217, 19130, 19830, 21152, 22956, 23796, 26440, 28695, 29745, 30608, 31728, 34434, 38260, 39660, 45912, 47592, 52880, 57390, 59490, 61216, 63456, 68868, 76520, 79320, 86085, 91824, 95184, 105760, 114780, 118980, 137736, 153040, 158640, 172170, 183648, 190368, 229560, 237960, 275472, 306080, 317280, 344340, 459120, 475920, 550944, 688680, 918240, 951840, 1264493, 1377360, 2528986, 2754720, 3793479, 5057972, 6322465, 7586958, 10115944, 11380437, 12644930, 15173916, 18967395, 20231888, 22760874, 25289860, 30347832, 37934790, 40463776, 45521748, 50579720, 56902185, 60695664, 75869580, 91043496, 101159440, 113804370, 121391328, 151739160, 182086992, 202318880, 227608740, 303478320, 364173984, 455217480, 606956640, 910434960, 1820869920]

約数ペア:

[(1, 1820869920), (2, 910434960), (3, 606956640), (4, 455217480), (5, 364173984), (6, 303478320), (8, 227608740), (9, 202318880), (10, 182086992), (12, 151739160), (15, 121391328), (16, 113804370), (18, 101159440), (20, 91043496), (24, 75869580), (30, 60695664), (32, 56902185), (36, 50579720), (40, 45521748), (45, 40463776), (48, 37934790), (60, 30347832), (72, 25289860), (80, 22760874), (90, 20231888), (96, 18967395), (120, 15173916), (144, 12644930), (160, 11380437), (180, 10115944), (240, 7586958), (288, 6322465), (360, 5057972), (480, 3793479), (661, 2754720), (720, 2528986), (1322, 1377360), (1440, 1264493), (1913, 951840), (1983, 918240), (2644, 688680), (3305, 550944), (3826, 475920), (3966, 459120), (5288, 344340), (5739, 317280), (5949, 306080), (6610, 275472), (7652, 237960), (7932, 229560), (9565, 190368), (9915, 183648), (10576, 172170), (11478, 158640), (11898, 153040), (13220, 137736), (15304, 118980), (15864, 114780), (17217, 105760), (19130, 95184), (19830, 91824), (21152, 86085), (22956, 79320), (23796, 76520), (26440, 68868), (28695, 63456), (29745, 61216), (30608, 59490), (31728, 57390), (34434, 52880), (38260, 47592), (39660, 45912)]