172187640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 256

約数和(自身を含む): 612864000

約数和(自身を除く): 440676360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 37, 40, 45, 54, 60, 62, 72, 74, 90, 93, 108, 111, 120, 124, 135, 139, 148, 155, 180, 185, 186, 216, 222, 248, 270, 278, 279, 296, 310, 333, 360, 370, 372, 417, 444, 465, 540, 555, 556, 558, 620, 666, 695, 740, 744, 834, 837, 888, 930, 999, 1080, 1110, 1112, 1116, 1147, 1240, 1251, 1332, 1390, 1395, 1480, 1665, 1668, 1674, 1860, 1998, 2085, 2220, 2232, 2294, 2502, 2664, 2780, 2790, 3330, 3336, 3348, 3441, 3720, 3753, 3996, 4170, 4185, 4309, 4440, 4588, 4995, 5004, 5143, 5560, 5580, 5735, 6255, 6660, 6696, 6882, 7506, 7992, 8340, 8370, 8618, 9176, 9990, 10008, 10286, 10323, 11160, 11470, 12510, 12927, 13320, 13764, 15012, 15429, 16680, 16740, 17205, 17236, 18765, 19980, 20572, 20646, 21545, 22940, 25020, 25715, 25854, 27528, 30024, 30858, 30969, 33480, 34410, 34472, 37530, 38781, 39960, 41144, 41292, 43090, 45880, 46287, 50040, 51430, 51615, 51708, 61716, 61938, 64635, 68820, 75060, 77145, 77562, 82584, 86180, 92574, 102860, 103230, 103416, 116343, 123432, 123876, 129270, 137640, 138861, 150120, 154290, 154845, 155124, 159433, 172360, 185148, 193905, 205720, 206460, 231435, 232686, 247752, 258540, 277722, 308580, 309690, 310248, 318866, 370296, 387810, 412920, 462870, 465372, 478299, 517080, 555444, 581715, 617160, 619380, 637732, 694305, 775620, 797165, 925740, 930744, 956598, 1110888, 1163430, 1238760, 1275464, 1388610, 1434897, 1551240, 1594330, 1851480, 1913196, 2326860, 2391495, 2777220, 2869794, 3188660, 3826392, 4304691, 4653720, 4782990, 5554440, 5739588, 6377320, 7174485, 8609382, 9565980, 11479176, 14348970, 17218764, 19131960, 21523455, 28697940, 34437528, 43046910, 57395880, 86093820, 172187640]

約数ペア:

[(1, 172187640), (2, 86093820), (3, 57395880), (4, 43046910), (5, 34437528), (6, 28697940), (8, 21523455), (9, 19131960), (10, 17218764), (12, 14348970), (15, 11479176), (18, 9565980), (20, 8609382), (24, 7174485), (27, 6377320), (30, 5739588), (31, 5554440), (36, 4782990), (37, 4653720), (40, 4304691), (45, 3826392), (54, 3188660), (60, 2869794), (62, 2777220), (72, 2391495), (74, 2326860), (90, 1913196), (93, 1851480), (108, 1594330), (111, 1551240), (120, 1434897), (124, 1388610), (135, 1275464), (139, 1238760), (148, 1163430), (155, 1110888), (180, 956598), (185, 930744), (186, 925740), (216, 797165), (222, 775620), (248, 694305), (270, 637732), (278, 619380), (279, 617160), (296, 581715), (310, 555444), (333, 517080), (360, 478299), (370, 465372), (372, 462870), (417, 412920), (444, 387810), (465, 370296), (540, 318866), (555, 310248), (556, 309690), (558, 308580), (620, 277722), (666, 258540), (695, 247752), (740, 232686), (744, 231435), (834, 206460), (837, 205720), (888, 193905), (930, 185148), (999, 172360), (1080, 159433), (1110, 155124), (1112, 154845), (1116, 154290), (1147, 150120), (1240, 138861), (1251, 137640), (1332, 129270), (1390, 123876), (1395, 123432), (1480, 116343), (1665, 103416), (1668, 103230), (1674, 102860), (1860, 92574), (1998, 86180), (2085, 82584), (2220, 77562), (2232, 77145), (2294, 75060), (2502, 68820), (2664, 64635), (2780, 61938), (2790, 61716), (3330, 51708), (3336, 51615), (3348, 51430), (3441, 50040), (3720, 46287), (3753, 45880), (3996, 43090), (4170, 41292), (4185, 41144), (4309, 39960), (4440, 38781), (4588, 37530), (4995, 34472), (5004, 34410), (5143, 33480), (5560, 30969), (5580, 30858), (5735, 30024), (6255, 27528), (6660, 25854), (6696, 25715), (6882, 25020), (7506, 22940), (7992, 21545), (8340, 20646), (8370, 20572), (8618, 19980), (9176, 18765), (9990, 17236), (10008, 17205), (10286, 16740), (10323, 16680), (11160, 15429), (11470, 15012), (12510, 13764), (12927, 13320)]