21131811480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{1361}}^1$

素因数の和:1694

約数の個数: 256

約数和(自身を含む): 70429564800

約数和(自身を除く): 49297753320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 269, 296, 312, 370, 390, 444, 481, 520, 538, 555, 740, 780, 807, 888, 962, 1076, 1110, 1345, 1361, 1443, 1480, 1560, 1614, 1924, 2152, 2220, 2405, 2690, 2722, 2886, 3228, 3497, 3848, 4035, 4083, 4440, 4810, 5380, 5444, 5772, 6456, 6805, 6994, 7215, 8070, 8166, 9620, 9953, 10491, 10760, 10888, 11544, 13610, 13988, 14430, 16140, 16332, 17485, 17693, 19240, 19906, 20415, 20982, 27220, 27976, 28860, 29859, 32280, 32664, 34970, 35386, 39812, 40830, 41964, 49765, 50357, 52455, 53079, 54440, 57720, 59718, 69940, 70772, 79624, 81660, 83928, 88465, 99530, 100714, 104910, 106158, 119436, 129389, 139880, 141544, 149295, 151071, 163320, 176930, 199060, 201428, 209820, 212316, 238872, 251785, 258778, 265395, 298590, 302142, 353860, 366109, 388167, 398120, 402856, 419640, 424632, 503570, 517556, 530790, 597180, 604284, 646945, 654641, 707720, 732218, 755355, 776334, 1007140, 1035112, 1061580, 1098327, 1194360, 1208568, 1293890, 1309282, 1464436, 1510710, 1552668, 1830545, 1940835, 1963923, 2014280, 2123160, 2196654, 2587780, 2618564, 2928872, 3021420, 3105336, 3273205, 3661090, 3881670, 3927846, 4393308, 4759417, 5175560, 5237128, 5491635, 6042840, 6546410, 7322180, 7763340, 7855692, 8786616, 9518834, 9819615, 10983270, 13092820, 13546033, 14278251, 14644360, 15526680, 15711384, 19037668, 19639230, 21966540, 23797085, 26185640, 27092066, 28556502, 38075336, 39278460, 40638099, 43933080, 47594170, 54184132, 57113004, 67730165, 71391255, 78556920, 81276198, 95188340, 108368264, 114226008, 135460330, 142782510, 162552396, 176098429, 190376680, 203190495, 270920660, 285565020, 325104792, 352196858, 406380990, 528295287, 541841320, 571130040, 704393716, 812761980, 880492145, 1056590574, 1408787432, 1625523960, 1760984290, 2113181148, 2641476435, 3521968580, 4226362296, 5282952870, 7043937160, 10565905740, 21131811480]

約数ペア:

[(1, 21131811480), (2, 10565905740), (3, 7043937160), (4, 5282952870), (5, 4226362296), (6, 3521968580), (8, 2641476435), (10, 2113181148), (12, 1760984290), (13, 1625523960), (15, 1408787432), (20, 1056590574), (24, 880492145), (26, 812761980), (30, 704393716), (37, 571130040), (39, 541841320), (40, 528295287), (52, 406380990), (60, 352196858), (65, 325104792), (74, 285565020), (78, 270920660), (104, 203190495), (111, 190376680), (120, 176098429), (130, 162552396), (148, 142782510), (156, 135460330), (185, 114226008), (195, 108368264), (222, 95188340), (260, 81276198), (269, 78556920), (296, 71391255), (312, 67730165), (370, 57113004), (390, 54184132), (444, 47594170), (481, 43933080), (520, 40638099), (538, 39278460), (555, 38075336), (740, 28556502), (780, 27092066), (807, 26185640), (888, 23797085), (962, 21966540), (1076, 19639230), (1110, 19037668), (1345, 15711384), (1361, 15526680), (1443, 14644360), (1480, 14278251), (1560, 13546033), (1614, 13092820), (1924, 10983270), (2152, 9819615), (2220, 9518834), (2405, 8786616), (2690, 7855692), (2722, 7763340), (2886, 7322180), (3228, 6546410), (3497, 6042840), (3848, 5491635), (4035, 5237128), (4083, 5175560), (4440, 4759417), (4810, 4393308), (5380, 3927846), (5444, 3881670), (5772, 3661090), (6456, 3273205), (6805, 3105336), (6994, 3021420), (7215, 2928872), (8070, 2618564), (8166, 2587780), (9620, 2196654), (9953, 2123160), (10491, 2014280), (10760, 1963923), (10888, 1940835), (11544, 1830545), (13610, 1552668), (13988, 1510710), (14430, 1464436), (16140, 1309282), (16332, 1293890), (17485, 1208568), (17693, 1194360), (19240, 1098327), (19906, 1061580), (20415, 1035112), (20982, 1007140), (27220, 776334), (27976, 755355), (28860, 732218), (29859, 707720), (32280, 654641), (32664, 646945), (34970, 604284), (35386, 597180), (39812, 530790), (40830, 517556), (41964, 503570), (49765, 424632), (50357, 419640), (52455, 402856), (53079, 398120), (54440, 388167), (57720, 366109), (59718, 353860), (69940, 302142), (70772, 298590), (79624, 265395), (81660, 258778), (83928, 251785), (88465, 238872), (99530, 212316), (100714, 209820), (104910, 201428), (106158, 199060), (119436, 176930), (129389, 163320), (139880, 151071), (141544, 149295)]