78474720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 267805440

約数和(自身を除く): 189330720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 59, 60, 68, 80, 85, 96, 102, 118, 120, 136, 160, 163, 170, 177, 204, 236, 240, 255, 272, 295, 326, 340, 354, 408, 472, 480, 489, 510, 544, 590, 652, 680, 708, 815, 816, 885, 944, 978, 1003, 1020, 1180, 1304, 1360, 1416, 1630, 1632, 1770, 1888, 1956, 2006, 2040, 2360, 2445, 2608, 2720, 2771, 2832, 3009, 3260, 3540, 3912, 4012, 4080, 4720, 4890, 5015, 5216, 5542, 5664, 6018, 6520, 7080, 7824, 8024, 8160, 8313, 9440, 9617, 9780, 10030, 11084, 12036, 13040, 13855, 14160, 15045, 15648, 16048, 16626, 19234, 19560, 20060, 22168, 24072, 26080, 27710, 28320, 28851, 30090, 32096, 33252, 38468, 39120, 40120, 41565, 44336, 48085, 48144, 55420, 57702, 60180, 66504, 76936, 78240, 80240, 83130, 88672, 96170, 96288, 110840, 115404, 120360, 133008, 144255, 153872, 160480, 163489, 166260, 192340, 221680, 230808, 240720, 266016, 288510, 307744, 326978, 332520, 384680, 443360, 461616, 481440, 490467, 577020, 653956, 665040, 769360, 817445, 923232, 980934, 1154040, 1307912, 1330080, 1538720, 1634890, 1961868, 2308080, 2452335, 2615824, 3269780, 3923736, 4616160, 4904670, 5231648, 6539560, 7847472, 9809340, 13079120, 15694944, 19618680, 26158240, 39237360, 78474720]

約数ペア:

[(1, 78474720), (2, 39237360), (3, 26158240), (4, 19618680), (5, 15694944), (6, 13079120), (8, 9809340), (10, 7847472), (12, 6539560), (15, 5231648), (16, 4904670), (17, 4616160), (20, 3923736), (24, 3269780), (30, 2615824), (32, 2452335), (34, 2308080), (40, 1961868), (48, 1634890), (51, 1538720), (59, 1330080), (60, 1307912), (68, 1154040), (80, 980934), (85, 923232), (96, 817445), (102, 769360), (118, 665040), (120, 653956), (136, 577020), (160, 490467), (163, 481440), (170, 461616), (177, 443360), (204, 384680), (236, 332520), (240, 326978), (255, 307744), (272, 288510), (295, 266016), (326, 240720), (340, 230808), (354, 221680), (408, 192340), (472, 166260), (480, 163489), (489, 160480), (510, 153872), (544, 144255), (590, 133008), (652, 120360), (680, 115404), (708, 110840), (815, 96288), (816, 96170), (885, 88672), (944, 83130), (978, 80240), (1003, 78240), (1020, 76936), (1180, 66504), (1304, 60180), (1360, 57702), (1416, 55420), (1630, 48144), (1632, 48085), (1770, 44336), (1888, 41565), (1956, 40120), (2006, 39120), (2040, 38468), (2360, 33252), (2445, 32096), (2608, 30090), (2720, 28851), (2771, 28320), (2832, 27710), (3009, 26080), (3260, 24072), (3540, 22168), (3912, 20060), (4012, 19560), (4080, 19234), (4720, 16626), (4890, 16048), (5015, 15648), (5216, 15045), (5542, 14160), (5664, 13855), (6018, 13040), (6520, 12036), (7080, 11084), (7824, 10030), (8024, 9780), (8160, 9617), (8313, 9440)]