28472640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:269

約数の個数: 224

約数和(自身を含む): 109240320

約数和(自身を除く): 80767680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 192, 210, 223, 224, 228, 240, 266, 280, 285, 304, 320, 336, 380, 399, 420, 446, 448, 456, 480, 532, 560, 570, 608, 665, 669, 672, 760, 798, 840, 892, 912, 960, 1064, 1115, 1120, 1140, 1216, 1330, 1338, 1344, 1520, 1561, 1596, 1680, 1784, 1824, 1995, 2128, 2230, 2240, 2280, 2660, 2676, 3040, 3122, 3192, 3345, 3360, 3568, 3648, 3990, 4237, 4256, 4460, 4560, 4683, 5320, 5352, 6080, 6244, 6384, 6690, 6720, 7136, 7805, 7980, 8474, 8512, 8920, 9120, 9366, 10640, 10704, 12488, 12711, 12768, 13380, 14272, 15610, 15960, 16948, 17840, 18240, 18732, 21185, 21280, 21408, 23415, 24976, 25422, 25536, 26760, 29659, 31220, 31920, 33896, 35680, 37464, 42370, 42560, 42816, 46830, 49952, 50844, 53520, 59318, 62440, 63555, 63840, 67792, 71360, 74928, 84740, 88977, 93660, 99904, 101688, 107040, 118636, 124880, 127110, 127680, 135584, 148295, 149856, 169480, 177954, 187320, 203376, 214080, 237272, 249760, 254220, 271168, 296590, 299712, 338960, 355908, 374640, 406752, 444885, 474544, 499520, 508440, 593180, 677920, 711816, 749280, 813504, 889770, 949088, 1016880, 1186360, 1355840, 1423632, 1498560, 1779540, 1898176, 2033760, 2372720, 2847264, 3559080, 4067520, 4745440, 5694528, 7118160, 9490880, 14236320, 28472640]

約数ペア:

[(1, 28472640), (2, 14236320), (3, 9490880), (4, 7118160), (5, 5694528), (6, 4745440), (7, 4067520), (8, 3559080), (10, 2847264), (12, 2372720), (14, 2033760), (15, 1898176), (16, 1779540), (19, 1498560), (20, 1423632), (21, 1355840), (24, 1186360), (28, 1016880), (30, 949088), (32, 889770), (35, 813504), (38, 749280), (40, 711816), (42, 677920), (48, 593180), (56, 508440), (57, 499520), (60, 474544), (64, 444885), (70, 406752), (76, 374640), (80, 355908), (84, 338960), (95, 299712), (96, 296590), (105, 271168), (112, 254220), (114, 249760), (120, 237272), (133, 214080), (140, 203376), (152, 187320), (160, 177954), (168, 169480), (190, 149856), (192, 148295), (210, 135584), (223, 127680), (224, 127110), (228, 124880), (240, 118636), (266, 107040), (280, 101688), (285, 99904), (304, 93660), (320, 88977), (336, 84740), (380, 74928), (399, 71360), (420, 67792), (446, 63840), (448, 63555), (456, 62440), (480, 59318), (532, 53520), (560, 50844), (570, 49952), (608, 46830), (665, 42816), (669, 42560), (672, 42370), (760, 37464), (798, 35680), (840, 33896), (892, 31920), (912, 31220), (960, 29659), (1064, 26760), (1115, 25536), (1120, 25422), (1140, 24976), (1216, 23415), (1330, 21408), (1338, 21280), (1344, 21185), (1520, 18732), (1561, 18240), (1596, 17840), (1680, 16948), (1784, 15960), (1824, 15610), (1995, 14272), (2128, 13380), (2230, 12768), (2240, 12711), (2280, 12488), (2660, 10704), (2676, 10640), (3040, 9366), (3122, 9120), (3192, 8920), (3345, 8512), (3360, 8474), (3568, 7980), (3648, 7805), (3990, 7136), (4237, 6720), (4256, 6690), (4460, 6384), (4560, 6244), (4683, 6080), (5320, 5352)]