1780005120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:861

約数の個数: 288

約数和(自身を含む): 6184980480

約数和(自身を除く): 4404975360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 64, 76, 80, 93, 95, 96, 114, 120, 124, 128, 152, 155, 160, 186, 190, 192, 228, 240, 248, 256, 285, 304, 310, 320, 372, 380, 384, 456, 465, 480, 496, 570, 589, 608, 620, 640, 744, 760, 768, 787, 912, 930, 960, 992, 1140, 1178, 1216, 1240, 1280, 1488, 1520, 1574, 1767, 1824, 1860, 1920, 1984, 2280, 2356, 2361, 2432, 2480, 2945, 2976, 3040, 3148, 3534, 3648, 3720, 3840, 3935, 3968, 4560, 4712, 4722, 4864, 4960, 5890, 5952, 6080, 6296, 7068, 7296, 7440, 7870, 7936, 8835, 9120, 9424, 9444, 9920, 11780, 11805, 11904, 12160, 12592, 14136, 14592, 14880, 14953, 15740, 17670, 18240, 18848, 18888, 19840, 23560, 23610, 23808, 24320, 24397, 25184, 28272, 29760, 29906, 31480, 35340, 36480, 37696, 37776, 39680, 44859, 47120, 47220, 48794, 50368, 56544, 59520, 59812, 62960, 70680, 72960, 73191, 74765, 75392, 75552, 89718, 94240, 94440, 97588, 100736, 113088, 119040, 119624, 121985, 125920, 141360, 146382, 149530, 150784, 151104, 179436, 188480, 188880, 195176, 201472, 224295, 226176, 239248, 243970, 251840, 282720, 292764, 299060, 302208, 358872, 365955, 376960, 377760, 390352, 448590, 452352, 463543, 478496, 487940, 503680, 565440, 585528, 598120, 604416, 717744, 731910, 753920, 755520, 780704, 897180, 927086, 956992, 975880, 1007360, 1130880, 1171056, 1196240, 1390629, 1435488, 1463820, 1511040, 1561408, 1794360, 1854172, 1913984, 1951760, 2261760, 2317715, 2342112, 2392480, 2781258, 2870976, 2927640, 3022080, 3122816, 3588720, 3708344, 3827968, 3903520, 4635430, 4684224, 4784960, 5562516, 5741952, 5855280, 6245632, 6953145, 7177440, 7416688, 7807040, 9270860, 9368448, 9569920, 11125032, 11483904, 11710560, 13906290, 14354880, 14833376, 15614080, 18541720, 18736896, 19139840, 22250064, 23421120, 27812580, 28709760, 29666752, 31228160, 37083440, 44500128, 46842240, 55625160, 57419520, 59333504, 74166880, 89000256, 93684480, 111250320, 118667008, 148333760, 178000512, 222500640, 296667520, 356001024, 445001280, 593335040, 890002560, 1780005120]

約数ペア:

[(1, 1780005120), (2, 890002560), (3, 593335040), (4, 445001280), (5, 356001024), (6, 296667520), (8, 222500640), (10, 178000512), (12, 148333760), (15, 118667008), (16, 111250320), (19, 93684480), (20, 89000256), (24, 74166880), (30, 59333504), (31, 57419520), (32, 55625160), (38, 46842240), (40, 44500128), (48, 37083440), (57, 31228160), (60, 29666752), (62, 28709760), (64, 27812580), (76, 23421120), (80, 22250064), (93, 19139840), (95, 18736896), (96, 18541720), (114, 15614080), (120, 14833376), (124, 14354880), (128, 13906290), (152, 11710560), (155, 11483904), (160, 11125032), (186, 9569920), (190, 9368448), (192, 9270860), (228, 7807040), (240, 7416688), (248, 7177440), (256, 6953145), (285, 6245632), (304, 5855280), (310, 5741952), (320, 5562516), (372, 4784960), (380, 4684224), (384, 4635430), (456, 3903520), (465, 3827968), (480, 3708344), (496, 3588720), (570, 3122816), (589, 3022080), (608, 2927640), (620, 2870976), (640, 2781258), (744, 2392480), (760, 2342112), (768, 2317715), (787, 2261760), (912, 1951760), (930, 1913984), (960, 1854172), (992, 1794360), (1140, 1561408), (1178, 1511040), (1216, 1463820), (1240, 1435488), (1280, 1390629), (1488, 1196240), (1520, 1171056), (1574, 1130880), (1767, 1007360), (1824, 975880), (1860, 956992), (1920, 927086), (1984, 897180), (2280, 780704), (2356, 755520), (2361, 753920), (2432, 731910), (2480, 717744), (2945, 604416), (2976, 598120), (3040, 585528), (3148, 565440), (3534, 503680), (3648, 487940), (3720, 478496), (3840, 463543), (3935, 452352), (3968, 448590), (4560, 390352), (4712, 377760), (4722, 376960), (4864, 365955), (4960, 358872), (5890, 302208), (5952, 299060), (6080, 292764), (6296, 282720), (7068, 251840), (7296, 243970), (7440, 239248), (7870, 226176), (7936, 224295), (8835, 201472), (9120, 195176), (9424, 188880), (9444, 188480), (9920, 179436), (11780, 151104), (11805, 150784), (11904, 149530), (12160, 146382), (12592, 141360), (14136, 125920), (14592, 121985), (14880, 119624), (14953, 119040), (15740, 113088), (17670, 100736), (18240, 97588), (18848, 94440), (18888, 94240), (19840, 89718), (23560, 75552), (23610, 75392), (23808, 74765), (24320, 73191), (24397, 72960), (25184, 70680), (28272, 62960), (29760, 59812), (29906, 59520), (31480, 56544), (35340, 50368), (36480, 48794), (37696, 47220), (37776, 47120), (39680, 44859)]