128734760

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{853}}^1$

素因数の和:896

約数の個数: 128

約数和(自身を含む): 368928000

約数和(自身を除く): 240193240

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, 853, 980, 1078, 1372, 1540, 1706, 1715, 1960, 2156, 2695, 2744, 3080, 3412, 3430, 3773, 4265, 4312, 5390, 5971, 6824, 6860, 7546, 8530, 9383, 10780, 11942, 13720, 15092, 17060, 18766, 18865, 21560, 23884, 29855, 30184, 34120, 37532, 37730, 41797, 46915, 47768, 59710, 65681, 75064, 75460, 83594, 93830, 119420, 131362, 150920, 167188, 187660, 208985, 238840, 262724, 292579, 328405, 334376, 375320, 417970, 459767, 525448, 585158, 656810, 835940, 919534, 1170316, 1313620, 1462895, 1671880, 1839068, 2298835, 2340632, 2627240, 2925790, 3218369, 3678136, 4597670, 5851580, 6436738, 9195340, 11703160, 12873476, 16091845, 18390680, 25746952, 32183690, 64367380, 128734760]

約数ペア:

[(1, 128734760), (2, 64367380), (4, 32183690), (5, 25746952), (7, 18390680), (8, 16091845), (10, 12873476), (11, 11703160), (14, 9195340), (20, 6436738), (22, 5851580), (28, 4597670), (35, 3678136), (40, 3218369), (44, 2925790), (49, 2627240), (55, 2340632), (56, 2298835), (70, 1839068), (77, 1671880), (88, 1462895), (98, 1313620), (110, 1170316), (140, 919534), (154, 835940), (196, 656810), (220, 585158), (245, 525448), (280, 459767), (308, 417970), (343, 375320), (385, 334376), (392, 328405), (440, 292579), (490, 262724), (539, 238840), (616, 208985), (686, 187660), (770, 167188), (853, 150920), (980, 131362), (1078, 119420), (1372, 93830), (1540, 83594), (1706, 75460), (1715, 75064), (1960, 65681), (2156, 59710), (2695, 47768), (2744, 46915), (3080, 41797), (3412, 37730), (3430, 37532), (3773, 34120), (4265, 30184), (4312, 29855), (5390, 23884), (5971, 21560), (6824, 18865), (6860, 18766), (7546, 17060), (8530, 15092), (9383, 13720), (10780, 11942)]