72640440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:354

約数の個数: 192

約数和(自身を含む): 255191040

約数和(自身を除く): 182550600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 31, 36, 40, 45, 46, 60, 62, 69, 72, 90, 92, 93, 115, 120, 124, 138, 155, 180, 184, 186, 207, 230, 248, 276, 279, 283, 310, 345, 360, 372, 414, 460, 465, 552, 558, 566, 620, 690, 713, 744, 828, 849, 920, 930, 1035, 1116, 1132, 1240, 1380, 1395, 1415, 1426, 1656, 1698, 1860, 2070, 2139, 2232, 2264, 2547, 2760, 2790, 2830, 2852, 3396, 3565, 3720, 4140, 4245, 4278, 5094, 5580, 5660, 5704, 6417, 6509, 6792, 7130, 8280, 8490, 8556, 8773, 10188, 10695, 11160, 11320, 12735, 12834, 13018, 14260, 16980, 17112, 17546, 19527, 20376, 21390, 25470, 25668, 26036, 26319, 28520, 32085, 32545, 33960, 35092, 39054, 42780, 43865, 50940, 51336, 52072, 52638, 58581, 64170, 65090, 70184, 78108, 78957, 85560, 87730, 97635, 101880, 105276, 117162, 128340, 130180, 131595, 156216, 157914, 175460, 195270, 201779, 210552, 234324, 256680, 260360, 263190, 292905, 315828, 350920, 390540, 394785, 403558, 468648, 526380, 585810, 605337, 631656, 781080, 789570, 807116, 1008895, 1052760, 1171620, 1210674, 1579140, 1614232, 1816011, 2017790, 2343240, 2421348, 3026685, 3158280, 3632022, 4035580, 4842696, 6053370, 7264044, 8071160, 9080055, 12106740, 14528088, 18160110, 24213480, 36320220, 72640440]

約数ペア:

[(1, 72640440), (2, 36320220), (3, 24213480), (4, 18160110), (5, 14528088), (6, 12106740), (8, 9080055), (9, 8071160), (10, 7264044), (12, 6053370), (15, 4842696), (18, 4035580), (20, 3632022), (23, 3158280), (24, 3026685), (30, 2421348), (31, 2343240), (36, 2017790), (40, 1816011), (45, 1614232), (46, 1579140), (60, 1210674), (62, 1171620), (69, 1052760), (72, 1008895), (90, 807116), (92, 789570), (93, 781080), (115, 631656), (120, 605337), (124, 585810), (138, 526380), (155, 468648), (180, 403558), (184, 394785), (186, 390540), (207, 350920), (230, 315828), (248, 292905), (276, 263190), (279, 260360), (283, 256680), (310, 234324), (345, 210552), (360, 201779), (372, 195270), (414, 175460), (460, 157914), (465, 156216), (552, 131595), (558, 130180), (566, 128340), (620, 117162), (690, 105276), (713, 101880), (744, 97635), (828, 87730), (849, 85560), (920, 78957), (930, 78108), (1035, 70184), (1116, 65090), (1132, 64170), (1240, 58581), (1380, 52638), (1395, 52072), (1415, 51336), (1426, 50940), (1656, 43865), (1698, 42780), (1860, 39054), (2070, 35092), (2139, 33960), (2232, 32545), (2264, 32085), (2547, 28520), (2760, 26319), (2790, 26036), (2830, 25668), (2852, 25470), (3396, 21390), (3565, 20376), (3720, 19527), (4140, 17546), (4245, 17112), (4278, 16980), (5094, 14260), (5580, 13018), (5660, 12834), (5704, 12735), (6417, 11320), (6509, 11160), (6792, 10695), (7130, 10188), (8280, 8773), (8490, 8556)]