266808320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:138

約数の個数: 132

約数和(自身を含む): 677180352

約数和(自身を除く): 410372032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 256, 310, 320, 328, 410, 496, 512, 620, 640, 656, 820, 992, 1024, 1240, 1271, 1280, 1312, 1640, 1681, 1984, 2480, 2542, 2560, 2624, 3280, 3362, 3968, 4960, 5084, 5120, 5248, 6355, 6560, 6724, 7936, 8405, 9920, 10168, 10496, 12710, 13120, 13448, 15872, 16810, 19840, 20336, 20992, 25420, 26240, 26896, 31744, 33620, 39680, 40672, 41984, 50840, 52111, 52480, 53792, 67240, 79360, 81344, 101680, 104222, 104960, 107584, 134480, 158720, 162688, 203360, 208444, 209920, 215168, 260555, 268960, 325376, 406720, 416888, 430336, 521110, 537920, 650752, 813440, 833776, 860672, 1042220, 1075840, 1301504, 1626880, 1667552, 1721344, 2084440, 2151680, 3253760, 3335104, 4168880, 4303360, 6507520, 6670208, 8337760, 8606720, 13340416, 16675520, 26680832, 33351040, 53361664, 66702080, 133404160, 266808320]

約数ペア:

[(1, 266808320), (2, 133404160), (4, 66702080), (5, 53361664), (8, 33351040), (10, 26680832), (16, 16675520), (20, 13340416), (31, 8606720), (32, 8337760), (40, 6670208), (41, 6507520), (62, 4303360), (64, 4168880), (80, 3335104), (82, 3253760), (124, 2151680), (128, 2084440), (155, 1721344), (160, 1667552), (164, 1626880), (205, 1301504), (248, 1075840), (256, 1042220), (310, 860672), (320, 833776), (328, 813440), (410, 650752), (496, 537920), (512, 521110), (620, 430336), (640, 416888), (656, 406720), (820, 325376), (992, 268960), (1024, 260555), (1240, 215168), (1271, 209920), (1280, 208444), (1312, 203360), (1640, 162688), (1681, 158720), (1984, 134480), (2480, 107584), (2542, 104960), (2560, 104222), (2624, 101680), (3280, 81344), (3362, 79360), (3968, 67240), (4960, 53792), (5084, 52480), (5120, 52111), (5248, 50840), (6355, 41984), (6560, 40672), (6724, 39680), (7936, 33620), (8405, 31744), (9920, 26896), (10168, 26240), (10496, 25420), (12710, 20992), (13120, 20336), (13448, 19840), (15872, 16810)]