31293570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 256

約数和(自身を含む): 106168320

約数和(自身を除く): 74874750

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 19, 21, 22, 23, 30, 31, 33, 35, 38, 42, 46, 55, 57, 62, 66, 69, 70, 77, 93, 95, 105, 110, 114, 115, 133, 138, 154, 155, 161, 165, 186, 190, 209, 210, 217, 230, 231, 253, 266, 285, 310, 322, 330, 341, 345, 385, 399, 418, 434, 437, 462, 465, 483, 506, 570, 589, 627, 651, 665, 682, 690, 713, 759, 770, 798, 805, 874, 930, 966, 1023, 1045, 1085, 1155, 1178, 1254, 1265, 1302, 1311, 1330, 1426, 1463, 1518, 1610, 1705, 1767, 1771, 1995, 2046, 2090, 2139, 2170, 2185, 2310, 2387, 2415, 2530, 2622, 2926, 2945, 3059, 3135, 3255, 3410, 3534, 3542, 3565, 3795, 3990, 4123, 4278, 4370, 4389, 4774, 4807, 4830, 4991, 5115, 5313, 5890, 6118, 6270, 6479, 6510, 6555, 7130, 7161, 7315, 7590, 7843, 8246, 8778, 8835, 8855, 9177, 9614, 9982, 10230, 10626, 10695, 11935, 12369, 12958, 13110, 13547, 14322, 14421, 14630, 14973, 15295, 15686, 17670, 17710, 18354, 19437, 20615, 21390, 21945, 23529, 23870, 24035, 24738, 24955, 26565, 27094, 28842, 29946, 30590, 32395, 33649, 35805, 38874, 39215, 40641, 41230, 43890, 45353, 45885, 47058, 48070, 49910, 53130, 54901, 61845, 64790, 67298, 67735, 71610, 72105, 74865, 78430, 81282, 90706, 91770, 94829, 97185, 100947, 109802, 117645, 123690, 135470, 136059, 144210, 149017, 149730, 164703, 168245, 189658, 194370, 201894, 203205, 226765, 235290, 272118, 274505, 284487, 298034, 329406, 336490, 406410, 447051, 453530, 474145, 504735, 549010, 568974, 680295, 745085, 823515, 894102, 948290, 1009470, 1043119, 1360590, 1422435, 1490170, 1647030, 2086238, 2235255, 2844870, 3129357, 4470510, 5215595, 6258714, 10431190, 15646785, 31293570]

約数ペア:

[(1, 31293570), (2, 15646785), (3, 10431190), (5, 6258714), (6, 5215595), (7, 4470510), (10, 3129357), (11, 2844870), (14, 2235255), (15, 2086238), (19, 1647030), (21, 1490170), (22, 1422435), (23, 1360590), (30, 1043119), (31, 1009470), (33, 948290), (35, 894102), (38, 823515), (42, 745085), (46, 680295), (55, 568974), (57, 549010), (62, 504735), (66, 474145), (69, 453530), (70, 447051), (77, 406410), (93, 336490), (95, 329406), (105, 298034), (110, 284487), (114, 274505), (115, 272118), (133, 235290), (138, 226765), (154, 203205), (155, 201894), (161, 194370), (165, 189658), (186, 168245), (190, 164703), (209, 149730), (210, 149017), (217, 144210), (230, 136059), (231, 135470), (253, 123690), (266, 117645), (285, 109802), (310, 100947), (322, 97185), (330, 94829), (341, 91770), (345, 90706), (385, 81282), (399, 78430), (418, 74865), (434, 72105), (437, 71610), (462, 67735), (465, 67298), (483, 64790), (506, 61845), (570, 54901), (589, 53130), (627, 49910), (651, 48070), (665, 47058), (682, 45885), (690, 45353), (713, 43890), (759, 41230), (770, 40641), (798, 39215), (805, 38874), (874, 35805), (930, 33649), (966, 32395), (1023, 30590), (1045, 29946), (1085, 28842), (1155, 27094), (1178, 26565), (1254, 24955), (1265, 24738), (1302, 24035), (1311, 23870), (1330, 23529), (1426, 21945), (1463, 21390), (1518, 20615), (1610, 19437), (1705, 18354), (1767, 17710), (1771, 17670), (1995, 15686), (2046, 15295), (2090, 14973), (2139, 14630), (2170, 14421), (2185, 14322), (2310, 13547), (2387, 13110), (2415, 12958), (2530, 12369), (2622, 11935), (2926, 10695), (2945, 10626), (3059, 10230), (3135, 9982), (3255, 9614), (3410, 9177), (3534, 8855), (3542, 8835), (3565, 8778), (3795, 8246), (3990, 7843), (4123, 7590), (4278, 7315), (4370, 7161), (4389, 7130), (4774, 6555), (4807, 6510), (4830, 6479), (4991, 6270), (5115, 6118), (5313, 5890)]