80389440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:397

約数の個数: 168

約数和(自身を含む): 280220928

約数和(自身を除く): 199831488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 103, 120, 144, 160, 180, 192, 206, 240, 271, 288, 309, 320, 360, 412, 480, 515, 542, 576, 618, 720, 813, 824, 927, 960, 1030, 1084, 1236, 1355, 1440, 1545, 1626, 1648, 1854, 2060, 2168, 2439, 2472, 2710, 2880, 3090, 3252, 3296, 3708, 4065, 4120, 4336, 4635, 4878, 4944, 5420, 6180, 6504, 6592, 7416, 8130, 8240, 8672, 9270, 9756, 9888, 10840, 12195, 12360, 13008, 14832, 16260, 16480, 17344, 18540, 19512, 19776, 21680, 24390, 24720, 26016, 27913, 29664, 32520, 32960, 37080, 39024, 43360, 48780, 49440, 52032, 55826, 59328, 65040, 74160, 78048, 83739, 86720, 97560, 98880, 111652, 130080, 139565, 148320, 156096, 167478, 195120, 223304, 251217, 260160, 279130, 296640, 334956, 390240, 418695, 446608, 502434, 558260, 669912, 780480, 837390, 893216, 1004868, 1116520, 1256085, 1339824, 1674780, 1786432, 2009736, 2233040, 2512170, 2679648, 3349560, 4019472, 4466080, 5024340, 5359296, 6699120, 8038944, 8932160, 10048680, 13398240, 16077888, 20097360, 26796480, 40194720, 80389440]

約数ペア:

[(1, 80389440), (2, 40194720), (3, 26796480), (4, 20097360), (5, 16077888), (6, 13398240), (8, 10048680), (9, 8932160), (10, 8038944), (12, 6699120), (15, 5359296), (16, 5024340), (18, 4466080), (20, 4019472), (24, 3349560), (30, 2679648), (32, 2512170), (36, 2233040), (40, 2009736), (45, 1786432), (48, 1674780), (60, 1339824), (64, 1256085), (72, 1116520), (80, 1004868), (90, 893216), (96, 837390), (103, 780480), (120, 669912), (144, 558260), (160, 502434), (180, 446608), (192, 418695), (206, 390240), (240, 334956), (271, 296640), (288, 279130), (309, 260160), (320, 251217), (360, 223304), (412, 195120), (480, 167478), (515, 156096), (542, 148320), (576, 139565), (618, 130080), (720, 111652), (813, 98880), (824, 97560), (927, 86720), (960, 83739), (1030, 78048), (1084, 74160), (1236, 65040), (1355, 59328), (1440, 55826), (1545, 52032), (1626, 49440), (1648, 48780), (1854, 43360), (2060, 39024), (2168, 37080), (2439, 32960), (2472, 32520), (2710, 29664), (2880, 27913), (3090, 26016), (3252, 24720), (3296, 24390), (3708, 21680), (4065, 19776), (4120, 19512), (4336, 18540), (4635, 17344), (4878, 16480), (4944, 16260), (5420, 14832), (6180, 13008), (6504, 12360), (6592, 12195), (7416, 10840), (8130, 9888), (8240, 9756), (8672, 9270)]