31851820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 192

約数和(自身を含む): 94381056

約数和(自身を除く): 62529236

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 37, 43, 44, 52, 55, 65, 70, 74, 77, 86, 91, 110, 130, 140, 143, 148, 154, 172, 182, 185, 215, 220, 259, 260, 286, 301, 308, 364, 370, 385, 407, 430, 455, 473, 481, 518, 559, 572, 602, 715, 740, 770, 814, 860, 910, 946, 962, 1001, 1036, 1118, 1204, 1295, 1430, 1505, 1540, 1591, 1628, 1820, 1892, 1924, 2002, 2035, 2236, 2365, 2405, 2590, 2795, 2849, 2860, 3010, 3182, 3311, 3367, 3913, 4004, 4070, 4730, 4810, 5005, 5180, 5291, 5590, 5698, 6020, 6149, 6364, 6622, 6734, 7826, 7955, 8140, 9460, 9620, 10010, 10582, 11137, 11180, 11396, 12298, 13244, 13468, 14245, 15652, 15910, 16555, 16835, 17501, 19565, 20020, 20683, 21164, 22274, 24596, 26455, 28490, 30745, 31820, 33110, 33670, 35002, 37037, 39130, 41366, 43043, 44548, 52910, 55685, 56980, 61490, 66220, 67340, 70004, 74074, 78260, 82732, 86086, 87505, 103415, 105820, 111370, 122507, 122980, 144781, 148148, 172172, 175010, 185185, 206830, 215215, 222740, 227513, 245014, 289562, 350020, 370370, 413660, 430430, 455026, 490028, 579124, 612535, 723905, 740740, 860860, 910052, 1137565, 1225070, 1447810, 1592591, 2275130, 2450140, 2895620, 3185182, 4550260, 6370364, 7962955, 15925910, 31851820]

約数ペア:

[(1, 31851820), (2, 15925910), (4, 7962955), (5, 6370364), (7, 4550260), (10, 3185182), (11, 2895620), (13, 2450140), (14, 2275130), (20, 1592591), (22, 1447810), (26, 1225070), (28, 1137565), (35, 910052), (37, 860860), (43, 740740), (44, 723905), (52, 612535), (55, 579124), (65, 490028), (70, 455026), (74, 430430), (77, 413660), (86, 370370), (91, 350020), (110, 289562), (130, 245014), (140, 227513), (143, 222740), (148, 215215), (154, 206830), (172, 185185), (182, 175010), (185, 172172), (215, 148148), (220, 144781), (259, 122980), (260, 122507), (286, 111370), (301, 105820), (308, 103415), (364, 87505), (370, 86086), (385, 82732), (407, 78260), (430, 74074), (455, 70004), (473, 67340), (481, 66220), (518, 61490), (559, 56980), (572, 55685), (602, 52910), (715, 44548), (740, 43043), (770, 41366), (814, 39130), (860, 37037), (910, 35002), (946, 33670), (962, 33110), (1001, 31820), (1036, 30745), (1118, 28490), (1204, 26455), (1295, 24596), (1430, 22274), (1505, 21164), (1540, 20683), (1591, 20020), (1628, 19565), (1820, 17501), (1892, 16835), (1924, 16555), (2002, 15910), (2035, 15652), (2236, 14245), (2365, 13468), (2405, 13244), (2590, 12298), (2795, 11396), (2849, 11180), (2860, 11137), (3010, 10582), (3182, 10010), (3311, 9620), (3367, 9460), (3913, 8140), (4004, 7955), (4070, 7826), (4730, 6734), (4810, 6622), (5005, 6364), (5180, 6149), (5291, 6020), (5590, 5698)]