1811247720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{2029}}^1$

素因数の和:2259

約数の個数: 128

約数和(自身を含む): 5595004800

約数和(自身を除く): 3783757080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 173, 215, 258, 344, 346, 430, 516, 519, 645, 692, 860, 865, 1032, 1038, 1290, 1384, 1720, 1730, 2029, 2076, 2580, 2595, 3460, 4058, 4152, 5160, 5190, 6087, 6920, 7439, 8116, 10145, 10380, 12174, 14878, 16232, 20290, 20760, 22317, 24348, 29756, 30435, 37195, 40580, 44634, 48696, 59512, 60870, 74390, 81160, 87247, 89268, 111585, 121740, 148780, 174494, 178536, 223170, 243480, 261741, 297560, 348988, 351017, 436235, 446340, 523482, 697976, 702034, 872470, 892680, 1046964, 1053051, 1308705, 1404068, 1744940, 1755085, 2093928, 2106102, 2617410, 2808136, 3489880, 3510170, 4212204, 5234820, 5265255, 7020340, 8424408, 10469640, 10530510, 14040680, 15093731, 21061020, 30187462, 42122040, 45281193, 60374924, 75468655, 90562386, 120749848, 150937310, 181124772, 226405965, 301874620, 362249544, 452811930, 603749240, 905623860, 1811247720]

約数ペア:

[(1, 1811247720), (2, 905623860), (3, 603749240), (4, 452811930), (5, 362249544), (6, 301874620), (8, 226405965), (10, 181124772), (12, 150937310), (15, 120749848), (20, 90562386), (24, 75468655), (30, 60374924), (40, 45281193), (43, 42122040), (60, 30187462), (86, 21061020), (120, 15093731), (129, 14040680), (172, 10530510), (173, 10469640), (215, 8424408), (258, 7020340), (344, 5265255), (346, 5234820), (430, 4212204), (516, 3510170), (519, 3489880), (645, 2808136), (692, 2617410), (860, 2106102), (865, 2093928), (1032, 1755085), (1038, 1744940), (1290, 1404068), (1384, 1308705), (1720, 1053051), (1730, 1046964), (2029, 892680), (2076, 872470), (2580, 702034), (2595, 697976), (3460, 523482), (4058, 446340), (4152, 436235), (5160, 351017), (5190, 348988), (6087, 297560), (6920, 261741), (7439, 243480), (8116, 223170), (10145, 178536), (10380, 174494), (12174, 148780), (14878, 121740), (16232, 111585), (20290, 89268), (20760, 87247), (22317, 81160), (24348, 74390), (29756, 60870), (30435, 59512), (37195, 48696), (40580, 44634)]