87221520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{229}}^1$

素因数の和:294

約数の個数: 180

約数和(自身を含む): 307545420

約数和(自身を除く): 220323900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 229, 230, 240, 276, 345, 360, 368, 414, 458, 460, 529, 552, 687, 690, 720, 828, 916, 920, 1035, 1058, 1104, 1145, 1374, 1380, 1587, 1656, 1832, 1840, 2061, 2070, 2116, 2290, 2645, 2748, 2760, 3174, 3312, 3435, 3664, 4122, 4140, 4232, 4580, 4761, 5267, 5290, 5496, 5520, 6348, 6870, 7935, 8244, 8280, 8464, 9160, 9522, 10305, 10534, 10580, 10992, 12696, 13740, 15801, 15870, 16488, 16560, 18320, 19044, 20610, 21068, 21160, 23805, 25392, 26335, 27480, 31602, 31740, 32976, 38088, 41220, 42136, 42320, 47403, 47610, 52670, 54960, 63204, 63480, 76176, 79005, 82440, 84272, 94806, 95220, 105340, 121141, 126408, 126960, 158010, 164880, 189612, 190440, 210680, 237015, 242282, 252816, 316020, 363423, 379224, 380880, 421360, 474030, 484564, 605705, 632040, 726846, 758448, 948060, 969128, 1090269, 1211410, 1264080, 1453692, 1817115, 1896120, 1938256, 2180538, 2422820, 2907384, 3634230, 3792240, 4361076, 4845640, 5451345, 5814768, 7268460, 8722152, 9691280, 10902690, 14536920, 17444304, 21805380, 29073840, 43610760, 87221520]

約数ペア:

[(1, 87221520), (2, 43610760), (3, 29073840), (4, 21805380), (5, 17444304), (6, 14536920), (8, 10902690), (9, 9691280), (10, 8722152), (12, 7268460), (15, 5814768), (16, 5451345), (18, 4845640), (20, 4361076), (23, 3792240), (24, 3634230), (30, 2907384), (36, 2422820), (40, 2180538), (45, 1938256), (46, 1896120), (48, 1817115), (60, 1453692), (69, 1264080), (72, 1211410), (80, 1090269), (90, 969128), (92, 948060), (115, 758448), (120, 726846), (138, 632040), (144, 605705), (180, 484564), (184, 474030), (207, 421360), (229, 380880), (230, 379224), (240, 363423), (276, 316020), (345, 252816), (360, 242282), (368, 237015), (414, 210680), (458, 190440), (460, 189612), (529, 164880), (552, 158010), (687, 126960), (690, 126408), (720, 121141), (828, 105340), (916, 95220), (920, 94806), (1035, 84272), (1058, 82440), (1104, 79005), (1145, 76176), (1374, 63480), (1380, 63204), (1587, 54960), (1656, 52670), (1832, 47610), (1840, 47403), (2061, 42320), (2070, 42136), (2116, 41220), (2290, 38088), (2645, 32976), (2748, 31740), (2760, 31602), (3174, 27480), (3312, 26335), (3435, 25392), (3664, 23805), (4122, 21160), (4140, 21068), (4232, 20610), (4580, 19044), (4761, 18320), (5267, 16560), (5290, 16488), (5496, 15870), (5520, 15801), (6348, 13740), (6870, 12696), (7935, 10992), (8244, 10580), (8280, 10534), (8464, 10305), (9160, 9522)]