28102140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:134

約数の個数: 240

約数和(自身を含む): 102453120

約数和(自身を除く): 74350980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 33, 36, 38, 44, 45, 54, 55, 57, 60, 66, 76, 81, 83, 90, 95, 99, 108, 110, 114, 132, 135, 162, 165, 166, 171, 180, 190, 198, 209, 220, 228, 249, 270, 285, 297, 324, 330, 332, 342, 380, 396, 405, 415, 418, 495, 498, 513, 540, 570, 594, 627, 660, 684, 747, 810, 830, 836, 855, 891, 913, 990, 996, 1026, 1045, 1140, 1188, 1245, 1254, 1485, 1494, 1539, 1577, 1620, 1660, 1710, 1782, 1826, 1881, 1980, 2052, 2090, 2241, 2490, 2508, 2565, 2739, 2970, 2988, 3078, 3135, 3154, 3420, 3564, 3652, 3735, 3762, 4180, 4455, 4482, 4565, 4731, 4980, 5130, 5478, 5643, 5940, 6156, 6270, 6308, 6723, 7470, 7524, 7695, 7885, 8217, 8910, 8964, 9130, 9405, 9462, 10260, 10956, 11205, 11286, 12540, 13446, 13695, 14193, 14940, 15390, 15770, 16434, 16929, 17347, 17820, 18260, 18810, 18924, 22410, 22572, 23655, 24651, 26892, 27390, 28215, 28386, 30780, 31540, 32868, 33615, 33858, 34694, 37620, 41085, 42579, 44820, 47310, 49302, 52041, 54780, 56430, 56772, 67230, 67716, 69388, 70965, 73953, 82170, 84645, 85158, 86735, 94620, 98604, 104082, 112860, 123255, 127737, 134460, 141930, 147906, 156123, 164340, 169290, 170316, 173470, 208164, 212895, 246510, 255474, 260205, 283860, 295812, 312246, 338580, 346940, 369765, 425790, 468369, 493020, 510948, 520410, 624492, 638685, 739530, 780615, 851580, 936738, 1040820, 1277370, 1405107, 1479060, 1561230, 1873476, 2341845, 2554740, 2810214, 3122460, 4683690, 5620428, 7025535, 9367380, 14051070, 28102140]

約数ペア:

[(1, 28102140), (2, 14051070), (3, 9367380), (4, 7025535), (5, 5620428), (6, 4683690), (9, 3122460), (10, 2810214), (11, 2554740), (12, 2341845), (15, 1873476), (18, 1561230), (19, 1479060), (20, 1405107), (22, 1277370), (27, 1040820), (30, 936738), (33, 851580), (36, 780615), (38, 739530), (44, 638685), (45, 624492), (54, 520410), (55, 510948), (57, 493020), (60, 468369), (66, 425790), (76, 369765), (81, 346940), (83, 338580), (90, 312246), (95, 295812), (99, 283860), (108, 260205), (110, 255474), (114, 246510), (132, 212895), (135, 208164), (162, 173470), (165, 170316), (166, 169290), (171, 164340), (180, 156123), (190, 147906), (198, 141930), (209, 134460), (220, 127737), (228, 123255), (249, 112860), (270, 104082), (285, 98604), (297, 94620), (324, 86735), (330, 85158), (332, 84645), (342, 82170), (380, 73953), (396, 70965), (405, 69388), (415, 67716), (418, 67230), (495, 56772), (498, 56430), (513, 54780), (540, 52041), (570, 49302), (594, 47310), (627, 44820), (660, 42579), (684, 41085), (747, 37620), (810, 34694), (830, 33858), (836, 33615), (855, 32868), (891, 31540), (913, 30780), (990, 28386), (996, 28215), (1026, 27390), (1045, 26892), (1140, 24651), (1188, 23655), (1245, 22572), (1254, 22410), (1485, 18924), (1494, 18810), (1539, 18260), (1577, 17820), (1620, 17347), (1660, 16929), (1710, 16434), (1782, 15770), (1826, 15390), (1881, 14940), (1980, 14193), (2052, 13695), (2090, 13446), (2241, 12540), (2490, 11286), (2508, 11205), (2565, 10956), (2739, 10260), (2970, 9462), (2988, 9405), (3078, 9130), (3135, 8964), (3154, 8910), (3420, 8217), (3564, 7885), (3652, 7695), (3735, 7524), (3762, 7470), (4180, 6723), (4455, 6308), (4482, 6270), (4565, 6156), (4731, 5940), (4980, 5643), (5130, 5478)]