87081280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 168

約数和(自身を含む): 246878856

約数和(自身を除く): 159797576

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 121, 130, 143, 160, 173, 176, 208, 220, 242, 260, 286, 320, 346, 352, 416, 440, 484, 520, 572, 605, 692, 704, 715, 832, 865, 880, 968, 1040, 1144, 1210, 1384, 1430, 1573, 1730, 1760, 1903, 1936, 2080, 2249, 2288, 2420, 2768, 2860, 3146, 3460, 3520, 3806, 3872, 4160, 4498, 4576, 4840, 5536, 5720, 6292, 6920, 7612, 7744, 7865, 8996, 9152, 9515, 9680, 11072, 11245, 11440, 12584, 13840, 15224, 15730, 17992, 19030, 19360, 20933, 22490, 22880, 24739, 25168, 27680, 30448, 31460, 35984, 38060, 38720, 41866, 44980, 45760, 49478, 50336, 55360, 60896, 62920, 71968, 76120, 83732, 89960, 98956, 100672, 104665, 121792, 123695, 125840, 143936, 152240, 167464, 179920, 197912, 209330, 247390, 251680, 272129, 304480, 334928, 359840, 395824, 418660, 494780, 503360, 544258, 608960, 669856, 719680, 791648, 837320, 989560, 1088516, 1339712, 1360645, 1583296, 1674640, 1979120, 2177032, 2721290, 3349280, 3958240, 4354064, 5442580, 6698560, 7916480, 8708128, 10885160, 17416256, 21770320, 43540640, 87081280]

約数ペア:

[(1, 87081280), (2, 43540640), (4, 21770320), (5, 17416256), (8, 10885160), (10, 8708128), (11, 7916480), (13, 6698560), (16, 5442580), (20, 4354064), (22, 3958240), (26, 3349280), (32, 2721290), (40, 2177032), (44, 1979120), (52, 1674640), (55, 1583296), (64, 1360645), (65, 1339712), (80, 1088516), (88, 989560), (104, 837320), (110, 791648), (121, 719680), (130, 669856), (143, 608960), (160, 544258), (173, 503360), (176, 494780), (208, 418660), (220, 395824), (242, 359840), (260, 334928), (286, 304480), (320, 272129), (346, 251680), (352, 247390), (416, 209330), (440, 197912), (484, 179920), (520, 167464), (572, 152240), (605, 143936), (692, 125840), (704, 123695), (715, 121792), (832, 104665), (865, 100672), (880, 98956), (968, 89960), (1040, 83732), (1144, 76120), (1210, 71968), (1384, 62920), (1430, 60896), (1573, 55360), (1730, 50336), (1760, 49478), (1903, 45760), (1936, 44980), (2080, 41866), (2249, 38720), (2288, 38060), (2420, 35984), (2768, 31460), (2860, 30448), (3146, 27680), (3460, 25168), (3520, 24739), (3806, 22880), (3872, 22490), (4160, 20933), (4498, 19360), (4576, 19030), (4840, 17992), (5536, 15730), (5720, 15224), (6292, 13840), (6920, 12584), (7612, 11440), (7744, 11245), (7865, 11072), (8996, 9680), (9152, 9515)]