178080120

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 224

約数和(自身を含む): 623272320

約数和(自身を除く): 445192200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 197, 216, 243, 248, 270, 279, 310, 324, 360, 372, 394, 405, 465, 486, 540, 558, 591, 620, 648, 729, 744, 788, 810, 837, 930, 972, 985, 1080, 1116, 1182, 1215, 1240, 1395, 1458, 1576, 1620, 1674, 1773, 1860, 1944, 1970, 2232, 2364, 2430, 2511, 2790, 2916, 2955, 3240, 3348, 3546, 3645, 3720, 3940, 4185, 4728, 4860, 5022, 5319, 5580, 5832, 5910, 6107, 6696, 7092, 7290, 7533, 7880, 8370, 8865, 9720, 10044, 10638, 11160, 11820, 12214, 12555, 14184, 14580, 15066, 15957, 16740, 17730, 18321, 20088, 21276, 22599, 23640, 24428, 25110, 26595, 29160, 30132, 30535, 31914, 33480, 35460, 36642, 37665, 42552, 45198, 47871, 48856, 50220, 53190, 54963, 60264, 61070, 63828, 70920, 73284, 75330, 79785, 90396, 91605, 95742, 100440, 106380, 109926, 112995, 122140, 127656, 143613, 146568, 150660, 159570, 164889, 180792, 183210, 191484, 212760, 219852, 225990, 239355, 244280, 274815, 287226, 301320, 319140, 329778, 366420, 382968, 439704, 451980, 478710, 494667, 549630, 574452, 638280, 659556, 718065, 732840, 824445, 903960, 957420, 989334, 1099260, 1148904, 1319112, 1436130, 1484001, 1648890, 1914840, 1978668, 2198520, 2473335, 2872260, 2968002, 3297780, 3957336, 4452003, 4946670, 5744520, 5936004, 6595560, 7420005, 8904006, 9893340, 11872008, 14840010, 17808012, 19786680, 22260015, 29680020, 35616024, 44520030, 59360040, 89040060, 178080120]

約数ペア:

[(1, 178080120), (2, 89040060), (3, 59360040), (4, 44520030), (5, 35616024), (6, 29680020), (8, 22260015), (9, 19786680), (10, 17808012), (12, 14840010), (15, 11872008), (18, 9893340), (20, 8904006), (24, 7420005), (27, 6595560), (30, 5936004), (31, 5744520), (36, 4946670), (40, 4452003), (45, 3957336), (54, 3297780), (60, 2968002), (62, 2872260), (72, 2473335), (81, 2198520), (90, 1978668), (93, 1914840), (108, 1648890), (120, 1484001), (124, 1436130), (135, 1319112), (155, 1148904), (162, 1099260), (180, 989334), (186, 957420), (197, 903960), (216, 824445), (243, 732840), (248, 718065), (270, 659556), (279, 638280), (310, 574452), (324, 549630), (360, 494667), (372, 478710), (394, 451980), (405, 439704), (465, 382968), (486, 366420), (540, 329778), (558, 319140), (591, 301320), (620, 287226), (648, 274815), (729, 244280), (744, 239355), (788, 225990), (810, 219852), (837, 212760), (930, 191484), (972, 183210), (985, 180792), (1080, 164889), (1116, 159570), (1182, 150660), (1215, 146568), (1240, 143613), (1395, 127656), (1458, 122140), (1576, 112995), (1620, 109926), (1674, 106380), (1773, 100440), (1860, 95742), (1944, 91605), (1970, 90396), (2232, 79785), (2364, 75330), (2430, 73284), (2511, 70920), (2790, 63828), (2916, 61070), (2955, 60264), (3240, 54963), (3348, 53190), (3546, 50220), (3645, 48856), (3720, 47871), (3940, 45198), (4185, 42552), (4728, 37665), (4860, 36642), (5022, 35460), (5319, 33480), (5580, 31914), (5832, 30535), (5910, 30132), (6107, 29160), (6696, 26595), (7092, 25110), (7290, 24428), (7533, 23640), (7880, 22599), (8370, 21276), (8865, 20088), (9720, 18321), (10044, 17730), (10638, 16740), (11160, 15957), (11820, 15066), (12214, 14580), (12555, 14184)]