1947781920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{877}}^1$

素因数の和:1563

約数の個数: 192

約数和(自身を含む): 7030630656

約数和(自身を除く): 5082848736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 661, 672, 840, 877, 1120, 1322, 1680, 1754, 1983, 2631, 2644, 3305, 3360, 3508, 3966, 4385, 4627, 5262, 5288, 6139, 6610, 7016, 7932, 8770, 9254, 9915, 10524, 10576, 12278, 13155, 13220, 13881, 14032, 15864, 17540, 18417, 18508, 19830, 21048, 21152, 23135, 24556, 26310, 26440, 27762, 28064, 30695, 31728, 35080, 36834, 37016, 39660, 42096, 46270, 49112, 52620, 52880, 55524, 61390, 63456, 69405, 70160, 73668, 74032, 79320, 84192, 92085, 92540, 98224, 105240, 105760, 111048, 122780, 138810, 140320, 147336, 148064, 158640, 184170, 185080, 196448, 210480, 222096, 245560, 277620, 294672, 317280, 368340, 370160, 420960, 444192, 491120, 555240, 579697, 589344, 736680, 740320, 982240, 1110480, 1159394, 1473360, 1739091, 2220960, 2318788, 2898485, 2946720, 3478182, 4057879, 4637576, 5796970, 6956364, 8115758, 8695455, 9275152, 11593940, 12173637, 13912728, 16231516, 17390910, 18550304, 20289395, 23187880, 24347274, 27825456, 32463032, 34781820, 40578790, 46375760, 48694548, 55650912, 60868185, 64926064, 69563640, 81157580, 92751520, 97389096, 121736370, 129852128, 139127280, 162315160, 194778192, 243472740, 278254560, 324630320, 389556384, 486945480, 649260640, 973890960, 1947781920]

約数ペア:

[(1, 1947781920), (2, 973890960), (3, 649260640), (4, 486945480), (5, 389556384), (6, 324630320), (7, 278254560), (8, 243472740), (10, 194778192), (12, 162315160), (14, 139127280), (15, 129852128), (16, 121736370), (20, 97389096), (21, 92751520), (24, 81157580), (28, 69563640), (30, 64926064), (32, 60868185), (35, 55650912), (40, 48694548), (42, 46375760), (48, 40578790), (56, 34781820), (60, 32463032), (70, 27825456), (80, 24347274), (84, 23187880), (96, 20289395), (105, 18550304), (112, 17390910), (120, 16231516), (140, 13912728), (160, 12173637), (168, 11593940), (210, 9275152), (224, 8695455), (240, 8115758), (280, 6956364), (336, 5796970), (420, 4637576), (480, 4057879), (560, 3478182), (661, 2946720), (672, 2898485), (840, 2318788), (877, 2220960), (1120, 1739091), (1322, 1473360), (1680, 1159394), (1754, 1110480), (1983, 982240), (2631, 740320), (2644, 736680), (3305, 589344), (3360, 579697), (3508, 555240), (3966, 491120), (4385, 444192), (4627, 420960), (5262, 370160), (5288, 368340), (6139, 317280), (6610, 294672), (7016, 277620), (7932, 245560), (8770, 222096), (9254, 210480), (9915, 196448), (10524, 185080), (10576, 184170), (12278, 158640), (13155, 148064), (13220, 147336), (13881, 140320), (14032, 138810), (15864, 122780), (17540, 111048), (18417, 105760), (18508, 105240), (19830, 98224), (21048, 92540), (21152, 92085), (23135, 84192), (24556, 79320), (26310, 74032), (26440, 73668), (27762, 70160), (28064, 69405), (30695, 63456), (31728, 61390), (35080, 55524), (36834, 52880), (37016, 52620), (39660, 49112), (42096, 46270)]