80173920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 192

約数和(自身を含む): 272160000

約数和(自身を除く): 191986080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 59, 60, 76, 80, 95, 96, 114, 118, 120, 149, 152, 160, 177, 190, 228, 236, 240, 285, 295, 298, 304, 354, 380, 447, 456, 472, 480, 570, 590, 596, 608, 708, 745, 760, 885, 894, 912, 944, 1121, 1140, 1180, 1192, 1416, 1490, 1520, 1770, 1788, 1824, 1888, 2235, 2242, 2280, 2360, 2384, 2831, 2832, 2980, 3040, 3363, 3540, 3576, 4470, 4484, 4560, 4720, 4768, 5605, 5662, 5664, 5960, 6726, 7080, 7152, 8493, 8791, 8940, 8968, 9120, 9440, 11210, 11324, 11920, 13452, 14155, 14160, 14304, 16815, 16986, 17582, 17880, 17936, 22420, 22648, 23840, 26373, 26904, 28310, 28320, 33630, 33972, 35164, 35760, 35872, 42465, 43955, 44840, 45296, 52746, 53808, 56620, 67260, 67944, 70328, 71520, 84930, 87910, 89680, 90592, 105492, 107616, 113240, 131865, 134520, 135888, 140656, 167029, 169860, 175820, 179360, 210984, 226480, 263730, 269040, 271776, 281312, 334058, 339720, 351640, 421968, 452960, 501087, 527460, 538080, 668116, 679440, 703280, 835145, 843936, 1002174, 1054920, 1336232, 1358880, 1406560, 1670290, 2004348, 2109840, 2505435, 2672464, 3340580, 4008696, 4219680, 5010870, 5344928, 6681160, 8017392, 10021740, 13362320, 16034784, 20043480, 26724640, 40086960, 80173920]

約数ペア:

[(1, 80173920), (2, 40086960), (3, 26724640), (4, 20043480), (5, 16034784), (6, 13362320), (8, 10021740), (10, 8017392), (12, 6681160), (15, 5344928), (16, 5010870), (19, 4219680), (20, 4008696), (24, 3340580), (30, 2672464), (32, 2505435), (38, 2109840), (40, 2004348), (48, 1670290), (57, 1406560), (59, 1358880), (60, 1336232), (76, 1054920), (80, 1002174), (95, 843936), (96, 835145), (114, 703280), (118, 679440), (120, 668116), (149, 538080), (152, 527460), (160, 501087), (177, 452960), (190, 421968), (228, 351640), (236, 339720), (240, 334058), (285, 281312), (295, 271776), (298, 269040), (304, 263730), (354, 226480), (380, 210984), (447, 179360), (456, 175820), (472, 169860), (480, 167029), (570, 140656), (590, 135888), (596, 134520), (608, 131865), (708, 113240), (745, 107616), (760, 105492), (885, 90592), (894, 89680), (912, 87910), (944, 84930), (1121, 71520), (1140, 70328), (1180, 67944), (1192, 67260), (1416, 56620), (1490, 53808), (1520, 52746), (1770, 45296), (1788, 44840), (1824, 43955), (1888, 42465), (2235, 35872), (2242, 35760), (2280, 35164), (2360, 33972), (2384, 33630), (2831, 28320), (2832, 28310), (2980, 26904), (3040, 26373), (3363, 23840), (3540, 22648), (3576, 22420), (4470, 17936), (4484, 17880), (4560, 17582), (4720, 16986), (4768, 16815), (5605, 14304), (5662, 14160), (5664, 14155), (5960, 13452), (6726, 11920), (7080, 11324), (7152, 11210), (8493, 9440), (8791, 9120), (8940, 8968)]