28764120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{283}}^1$

素因数の和:326

約数の個数: 192

約数和(自身を含む): 108783360

約数和(自身を除く): 80019240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 121, 132, 140, 154, 165, 168, 210, 220, 231, 242, 264, 280, 283, 308, 330, 363, 385, 420, 440, 462, 484, 566, 605, 616, 660, 726, 770, 840, 847, 849, 924, 968, 1132, 1155, 1210, 1320, 1415, 1452, 1540, 1694, 1698, 1815, 1848, 1981, 2264, 2310, 2420, 2541, 2830, 2904, 3080, 3113, 3388, 3396, 3630, 3962, 4235, 4245, 4620, 4840, 5082, 5660, 5943, 6226, 6776, 6792, 7260, 7924, 8470, 8490, 9240, 9339, 9905, 10164, 11320, 11886, 12452, 12705, 14520, 15565, 15848, 16940, 16980, 18678, 19810, 20328, 21791, 23772, 24904, 25410, 29715, 31130, 33880, 33960, 34243, 37356, 39620, 43582, 46695, 47544, 50820, 59430, 62260, 65373, 68486, 74712, 79240, 87164, 93390, 101640, 102729, 108955, 118860, 124520, 130746, 136972, 171215, 174328, 186780, 205458, 217910, 237720, 239701, 261492, 273944, 326865, 342430, 373560, 410916, 435820, 479402, 513645, 522984, 653730, 684860, 719103, 821832, 871640, 958804, 1027290, 1198505, 1307460, 1369720, 1438206, 1917608, 2054580, 2397010, 2614920, 2876412, 3595515, 4109160, 4794020, 5752824, 7191030, 9588040, 14382060, 28764120]

約数ペア:

[(1, 28764120), (2, 14382060), (3, 9588040), (4, 7191030), (5, 5752824), (6, 4794020), (7, 4109160), (8, 3595515), (10, 2876412), (11, 2614920), (12, 2397010), (14, 2054580), (15, 1917608), (20, 1438206), (21, 1369720), (22, 1307460), (24, 1198505), (28, 1027290), (30, 958804), (33, 871640), (35, 821832), (40, 719103), (42, 684860), (44, 653730), (55, 522984), (56, 513645), (60, 479402), (66, 435820), (70, 410916), (77, 373560), (84, 342430), (88, 326865), (105, 273944), (110, 261492), (120, 239701), (121, 237720), (132, 217910), (140, 205458), (154, 186780), (165, 174328), (168, 171215), (210, 136972), (220, 130746), (231, 124520), (242, 118860), (264, 108955), (280, 102729), (283, 101640), (308, 93390), (330, 87164), (363, 79240), (385, 74712), (420, 68486), (440, 65373), (462, 62260), (484, 59430), (566, 50820), (605, 47544), (616, 46695), (660, 43582), (726, 39620), (770, 37356), (840, 34243), (847, 33960), (849, 33880), (924, 31130), (968, 29715), (1132, 25410), (1155, 24904), (1210, 23772), (1320, 21791), (1415, 20328), (1452, 19810), (1540, 18678), (1694, 16980), (1698, 16940), (1815, 15848), (1848, 15565), (1981, 14520), (2264, 12705), (2310, 12452), (2420, 11886), (2541, 11320), (2830, 10164), (2904, 9905), (3080, 9339), (3113, 9240), (3388, 8490), (3396, 8470), (3630, 7924), (3962, 7260), (4235, 6792), (4245, 6776), (4620, 6226), (4840, 5943), (5082, 5660)]