81119160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 280687680

約数和(自身を除く): 199568520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 97, 101, 115, 120, 138, 180, 184, 194, 202, 207, 230, 276, 291, 303, 345, 360, 388, 404, 414, 460, 485, 505, 552, 582, 606, 690, 776, 808, 828, 873, 909, 920, 970, 1010, 1035, 1164, 1212, 1380, 1455, 1515, 1656, 1746, 1818, 1940, 2020, 2070, 2231, 2323, 2328, 2424, 2760, 2910, 3030, 3492, 3636, 3880, 4040, 4140, 4365, 4462, 4545, 4646, 5820, 6060, 6693, 6969, 6984, 7272, 8280, 8730, 8924, 9090, 9292, 9797, 11155, 11615, 11640, 12120, 13386, 13938, 17460, 17848, 18180, 18584, 19594, 20079, 20907, 22310, 23230, 26772, 27876, 29391, 33465, 34845, 34920, 36360, 39188, 40158, 41814, 44620, 46460, 48985, 53544, 55752, 58782, 66930, 69690, 78376, 80316, 83628, 88173, 89240, 92920, 97970, 100395, 104535, 117564, 133860, 139380, 146955, 160632, 167256, 176346, 195940, 200790, 209070, 225331, 235128, 267720, 278760, 293910, 352692, 391880, 401580, 418140, 440865, 450662, 587820, 675993, 705384, 803160, 836280, 881730, 901324, 1126655, 1175640, 1351986, 1763460, 1802648, 2027979, 2253310, 2703972, 3379965, 3526920, 4055958, 4506620, 5407944, 6759930, 8111916, 9013240, 10139895, 13519860, 16223832, 20279790, 27039720, 40559580, 81119160]

約数ペア:

[(1, 81119160), (2, 40559580), (3, 27039720), (4, 20279790), (5, 16223832), (6, 13519860), (8, 10139895), (9, 9013240), (10, 8111916), (12, 6759930), (15, 5407944), (18, 4506620), (20, 4055958), (23, 3526920), (24, 3379965), (30, 2703972), (36, 2253310), (40, 2027979), (45, 1802648), (46, 1763460), (60, 1351986), (69, 1175640), (72, 1126655), (90, 901324), (92, 881730), (97, 836280), (101, 803160), (115, 705384), (120, 675993), (138, 587820), (180, 450662), (184, 440865), (194, 418140), (202, 401580), (207, 391880), (230, 352692), (276, 293910), (291, 278760), (303, 267720), (345, 235128), (360, 225331), (388, 209070), (404, 200790), (414, 195940), (460, 176346), (485, 167256), (505, 160632), (552, 146955), (582, 139380), (606, 133860), (690, 117564), (776, 104535), (808, 100395), (828, 97970), (873, 92920), (909, 89240), (920, 88173), (970, 83628), (1010, 80316), (1035, 78376), (1164, 69690), (1212, 66930), (1380, 58782), (1455, 55752), (1515, 53544), (1656, 48985), (1746, 46460), (1818, 44620), (1940, 41814), (2020, 40158), (2070, 39188), (2231, 36360), (2323, 34920), (2328, 34845), (2424, 33465), (2760, 29391), (2910, 27876), (3030, 26772), (3492, 23230), (3636, 22310), (3880, 20907), (4040, 20079), (4140, 19594), (4365, 18584), (4462, 18180), (4545, 17848), (4646, 17460), (5820, 13938), (6060, 13386), (6693, 12120), (6969, 11640), (6984, 11615), (7272, 11155), (8280, 9797), (8730, 9292), (8924, 9090)]