18015900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 62329344

約数和(自身を除く): 44313444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 25, 28, 30, 35, 42, 46, 50, 60, 69, 70, 75, 84, 92, 100, 105, 115, 138, 140, 150, 161, 175, 210, 230, 276, 300, 322, 345, 350, 373, 420, 460, 483, 525, 575, 644, 690, 700, 746, 805, 966, 1050, 1119, 1150, 1380, 1492, 1610, 1725, 1865, 1932, 2100, 2238, 2300, 2415, 2611, 3220, 3450, 3730, 4025, 4476, 4830, 5222, 5595, 6900, 7460, 7833, 8050, 8579, 9325, 9660, 10444, 11190, 12075, 13055, 15666, 16100, 17158, 18650, 22380, 24150, 25737, 26110, 27975, 31332, 34316, 37300, 39165, 42895, 48300, 51474, 52220, 55950, 60053, 65275, 78330, 85790, 102948, 111900, 120106, 128685, 130550, 156660, 171580, 180159, 195825, 214475, 240212, 257370, 261100, 300265, 360318, 391650, 428950, 514740, 600530, 643425, 720636, 783300, 857900, 900795, 1201060, 1286850, 1501325, 1801590, 2573700, 3002650, 3603180, 4503975, 6005300, 9007950, 18015900]

約数ペア:

[(1, 18015900), (2, 9007950), (3, 6005300), (4, 4503975), (5, 3603180), (6, 3002650), (7, 2573700), (10, 1801590), (12, 1501325), (14, 1286850), (15, 1201060), (20, 900795), (21, 857900), (23, 783300), (25, 720636), (28, 643425), (30, 600530), (35, 514740), (42, 428950), (46, 391650), (50, 360318), (60, 300265), (69, 261100), (70, 257370), (75, 240212), (84, 214475), (92, 195825), (100, 180159), (105, 171580), (115, 156660), (138, 130550), (140, 128685), (150, 120106), (161, 111900), (175, 102948), (210, 85790), (230, 78330), (276, 65275), (300, 60053), (322, 55950), (345, 52220), (350, 51474), (373, 48300), (420, 42895), (460, 39165), (483, 37300), (525, 34316), (575, 31332), (644, 27975), (690, 26110), (700, 25737), (746, 24150), (805, 22380), (966, 18650), (1050, 17158), (1119, 16100), (1150, 15666), (1380, 13055), (1492, 12075), (1610, 11190), (1725, 10444), (1865, 9660), (1932, 9325), (2100, 8579), (2238, 8050), (2300, 7833), (2415, 7460), (2611, 6900), (3220, 5595), (3450, 5222), (3730, 4830), (4025, 4476)]