242405120

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 618105600

約数和(自身を除く): 375700480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 149, 155, 160, 164, 205, 248, 256, 298, 310, 320, 328, 410, 496, 596, 620, 640, 656, 745, 820, 992, 1192, 1240, 1271, 1280, 1312, 1490, 1640, 1984, 2384, 2480, 2542, 2624, 2980, 3280, 3968, 4619, 4768, 4960, 5084, 5248, 5960, 6109, 6355, 6560, 7936, 9238, 9536, 9920, 10168, 10496, 11920, 12218, 12710, 13120, 18476, 19072, 19840, 20336, 23095, 23840, 24436, 25420, 26240, 30545, 36952, 38144, 39680, 40672, 46190, 47680, 48872, 50840, 52480, 61090, 73904, 81344, 92380, 95360, 97744, 101680, 122180, 147808, 162688, 184760, 189379, 190720, 195488, 203360, 244360, 295616, 325376, 369520, 378758, 390976, 406720, 488720, 591232, 739040, 757516, 781952, 813440, 946895, 977440, 1182464, 1478080, 1515032, 1563904, 1626880, 1893790, 1954880, 2956160, 3030064, 3787580, 3909760, 5912320, 6060128, 7575160, 7819520, 12120256, 15150320, 24240512, 30300640, 48481024, 60601280, 121202560, 242405120]

約数ペア:

[(1, 242405120), (2, 121202560), (4, 60601280), (5, 48481024), (8, 30300640), (10, 24240512), (16, 15150320), (20, 12120256), (31, 7819520), (32, 7575160), (40, 6060128), (41, 5912320), (62, 3909760), (64, 3787580), (80, 3030064), (82, 2956160), (124, 1954880), (128, 1893790), (149, 1626880), (155, 1563904), (160, 1515032), (164, 1478080), (205, 1182464), (248, 977440), (256, 946895), (298, 813440), (310, 781952), (320, 757516), (328, 739040), (410, 591232), (496, 488720), (596, 406720), (620, 390976), (640, 378758), (656, 369520), (745, 325376), (820, 295616), (992, 244360), (1192, 203360), (1240, 195488), (1271, 190720), (1280, 189379), (1312, 184760), (1490, 162688), (1640, 147808), (1984, 122180), (2384, 101680), (2480, 97744), (2542, 95360), (2624, 92380), (2980, 81344), (3280, 73904), (3968, 61090), (4619, 52480), (4768, 50840), (4960, 48872), (5084, 47680), (5248, 46190), (5960, 40672), (6109, 39680), (6355, 38144), (6560, 36952), (7936, 30545), (9238, 26240), (9536, 25420), (9920, 24436), (10168, 23840), (10496, 23095), (11920, 20336), (12218, 19840), (12710, 19072), (13120, 18476)]