161691480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:314

約数の個数: 192

約数和(自身を含む): 551304000

約数和(自身を除く): 389612520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 61, 72, 74, 90, 111, 120, 122, 148, 180, 183, 185, 199, 222, 244, 296, 305, 333, 360, 366, 370, 398, 444, 488, 549, 555, 597, 610, 666, 732, 740, 796, 888, 915, 995, 1098, 1110, 1194, 1220, 1332, 1464, 1480, 1592, 1665, 1791, 1830, 1990, 2196, 2220, 2257, 2388, 2440, 2664, 2745, 2985, 3330, 3582, 3660, 3980, 4392, 4440, 4514, 4776, 5490, 5970, 6660, 6771, 7164, 7320, 7363, 7960, 8955, 9028, 10980, 11285, 11940, 12139, 13320, 13542, 14328, 14726, 17910, 18056, 20313, 21960, 22089, 22570, 23880, 24278, 27084, 29452, 33855, 35820, 36417, 36815, 40626, 44178, 45140, 48556, 54168, 58904, 60695, 66267, 67710, 71640, 72834, 73630, 81252, 88356, 90280, 97112, 101565, 109251, 110445, 121390, 132534, 135420, 145668, 147260, 162504, 176712, 182085, 203130, 218502, 220890, 242780, 265068, 270840, 291336, 294520, 331335, 364170, 406260, 437004, 441780, 449143, 485560, 530136, 546255, 662670, 728340, 812520, 874008, 883560, 898286, 1092510, 1325340, 1347429, 1456680, 1796572, 2185020, 2245715, 2650680, 2694858, 3593144, 4042287, 4370040, 4491430, 5389716, 6737145, 8084574, 8982860, 10779432, 13474290, 16169148, 17965720, 20211435, 26948580, 32338296, 40422870, 53897160, 80845740, 161691480]

約数ペア:

[(1, 161691480), (2, 80845740), (3, 53897160), (4, 40422870), (5, 32338296), (6, 26948580), (8, 20211435), (9, 17965720), (10, 16169148), (12, 13474290), (15, 10779432), (18, 8982860), (20, 8084574), (24, 6737145), (30, 5389716), (36, 4491430), (37, 4370040), (40, 4042287), (45, 3593144), (60, 2694858), (61, 2650680), (72, 2245715), (74, 2185020), (90, 1796572), (111, 1456680), (120, 1347429), (122, 1325340), (148, 1092510), (180, 898286), (183, 883560), (185, 874008), (199, 812520), (222, 728340), (244, 662670), (296, 546255), (305, 530136), (333, 485560), (360, 449143), (366, 441780), (370, 437004), (398, 406260), (444, 364170), (488, 331335), (549, 294520), (555, 291336), (597, 270840), (610, 265068), (666, 242780), (732, 220890), (740, 218502), (796, 203130), (888, 182085), (915, 176712), (995, 162504), (1098, 147260), (1110, 145668), (1194, 135420), (1220, 132534), (1332, 121390), (1464, 110445), (1480, 109251), (1592, 101565), (1665, 97112), (1791, 90280), (1830, 88356), (1990, 81252), (2196, 73630), (2220, 72834), (2257, 71640), (2388, 67710), (2440, 66267), (2664, 60695), (2745, 58904), (2985, 54168), (3330, 48556), (3582, 45140), (3660, 44178), (3980, 40626), (4392, 36815), (4440, 36417), (4514, 35820), (4776, 33855), (5490, 29452), (5970, 27084), (6660, 24278), (6771, 23880), (7164, 22570), (7320, 22089), (7363, 21960), (7960, 20313), (8955, 18056), (9028, 17910), (10980, 14726), (11285, 14328), (11940, 13542), (12139, 13320)]