142921240

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:990

約数の個数: 128

約数和(自身を含む): 409536000

約数和(自身を除く): 266614760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 343, 385, 392, 440, 490, 539, 616, 686, 770, 947, 980, 1078, 1372, 1540, 1715, 1894, 1960, 2156, 2695, 2744, 3080, 3430, 3773, 3788, 4312, 4735, 5390, 6629, 6860, 7546, 7576, 9470, 10417, 10780, 13258, 13720, 15092, 18865, 18940, 20834, 21560, 26516, 30184, 33145, 37730, 37880, 41668, 46403, 52085, 53032, 66290, 72919, 75460, 83336, 92806, 104170, 132580, 145838, 150920, 185612, 208340, 232015, 265160, 291676, 324821, 364595, 371224, 416680, 464030, 510433, 583352, 649642, 729190, 928060, 1020866, 1299284, 1458380, 1624105, 1856120, 2041732, 2552165, 2598568, 2916760, 3248210, 3573031, 4083464, 5104330, 6496420, 7146062, 10208660, 12992840, 14292124, 17865155, 20417320, 28584248, 35730310, 71460620, 142921240]

約数ペア:

[(1, 142921240), (2, 71460620), (4, 35730310), (5, 28584248), (7, 20417320), (8, 17865155), (10, 14292124), (11, 12992840), (14, 10208660), (20, 7146062), (22, 6496420), (28, 5104330), (35, 4083464), (40, 3573031), (44, 3248210), (49, 2916760), (55, 2598568), (56, 2552165), (70, 2041732), (77, 1856120), (88, 1624105), (98, 1458380), (110, 1299284), (140, 1020866), (154, 928060), (196, 729190), (220, 649642), (245, 583352), (280, 510433), (308, 464030), (343, 416680), (385, 371224), (392, 364595), (440, 324821), (490, 291676), (539, 265160), (616, 232015), (686, 208340), (770, 185612), (947, 150920), (980, 145838), (1078, 132580), (1372, 104170), (1540, 92806), (1715, 83336), (1894, 75460), (1960, 72919), (2156, 66290), (2695, 53032), (2744, 52085), (3080, 46403), (3430, 41668), (3773, 37880), (3788, 37730), (4312, 33145), (4735, 30184), (5390, 26516), (6629, 21560), (6860, 20834), (7546, 18940), (7576, 18865), (9470, 15092), (10417, 13720), (10780, 13258)]