18905100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 59058720

約数和(自身を除く): 40153620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 41, 50, 53, 58, 60, 75, 82, 87, 100, 106, 116, 123, 145, 150, 159, 164, 174, 205, 212, 246, 265, 290, 300, 318, 348, 410, 435, 492, 530, 580, 615, 636, 725, 795, 820, 870, 1025, 1060, 1189, 1230, 1325, 1450, 1537, 1590, 1740, 2050, 2173, 2175, 2378, 2460, 2650, 2900, 3074, 3075, 3180, 3567, 3975, 4100, 4346, 4350, 4611, 4756, 5300, 5945, 6148, 6150, 6519, 7134, 7685, 7950, 8692, 8700, 9222, 10865, 11890, 12300, 13038, 14268, 15370, 15900, 17835, 18444, 21730, 23055, 23780, 26076, 29725, 30740, 32595, 35670, 38425, 43460, 46110, 54325, 59450, 63017, 65190, 71340, 76850, 89175, 92220, 108650, 115275, 118900, 126034, 130380, 153700, 162975, 178350, 189051, 217300, 230550, 252068, 315085, 325950, 356700, 378102, 461100, 630170, 651900, 756204, 945255, 1260340, 1575425, 1890510, 3150850, 3781020, 4726275, 6301700, 9452550, 18905100]

約数ペア:

[(1, 18905100), (2, 9452550), (3, 6301700), (4, 4726275), (5, 3781020), (6, 3150850), (10, 1890510), (12, 1575425), (15, 1260340), (20, 945255), (25, 756204), (29, 651900), (30, 630170), (41, 461100), (50, 378102), (53, 356700), (58, 325950), (60, 315085), (75, 252068), (82, 230550), (87, 217300), (100, 189051), (106, 178350), (116, 162975), (123, 153700), (145, 130380), (150, 126034), (159, 118900), (164, 115275), (174, 108650), (205, 92220), (212, 89175), (246, 76850), (265, 71340), (290, 65190), (300, 63017), (318, 59450), (348, 54325), (410, 46110), (435, 43460), (492, 38425), (530, 35670), (580, 32595), (615, 30740), (636, 29725), (725, 26076), (795, 23780), (820, 23055), (870, 21730), (1025, 18444), (1060, 17835), (1189, 15900), (1230, 15370), (1325, 14268), (1450, 13038), (1537, 12300), (1590, 11890), (1740, 10865), (2050, 9222), (2173, 8700), (2175, 8692), (2378, 7950), (2460, 7685), (2650, 7134), (2900, 6519), (3074, 6150), (3075, 6148), (3180, 5945), (3567, 5300), (3975, 4756), (4100, 4611), (4346, 4350)]