2805242080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 288

約数和(自身を含む): 7724021760

約数和(自身を除く): 4918779680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 32, 34, 38, 40, 62, 68, 76, 80, 85, 95, 103, 124, 136, 152, 155, 160, 170, 190, 206, 248, 272, 289, 304, 310, 323, 340, 380, 412, 496, 515, 527, 544, 578, 589, 608, 620, 646, 680, 760, 824, 992, 1030, 1054, 1156, 1178, 1240, 1292, 1360, 1445, 1520, 1615, 1648, 1751, 1957, 2060, 2108, 2312, 2356, 2480, 2584, 2635, 2720, 2890, 2945, 3040, 3193, 3230, 3296, 3502, 3914, 4120, 4216, 4624, 4712, 4960, 5168, 5270, 5491, 5780, 5890, 6386, 6460, 7004, 7828, 8240, 8432, 8755, 8959, 9248, 9424, 9785, 10013, 10336, 10540, 10982, 11560, 11780, 12772, 12920, 14008, 15656, 15965, 16480, 16864, 17510, 17918, 18848, 19570, 20026, 21080, 21964, 23120, 23560, 25544, 25840, 27455, 28016, 29767, 31312, 31930, 33269, 35020, 35836, 39140, 40052, 42160, 43928, 44795, 46240, 47120, 50065, 51088, 51680, 54281, 54910, 56032, 59534, 60667, 62624, 63860, 66538, 70040, 71672, 78280, 80104, 84320, 87856, 89590, 94240, 100130, 102176, 108562, 109820, 119068, 121334, 127720, 133076, 140080, 143344, 148835, 156560, 160208, 166345, 170221, 175712, 179180, 200260, 217124, 219640, 238136, 242668, 255440, 266152, 271405, 280160, 286688, 297670, 303335, 313120, 320416, 332690, 340442, 358360, 400520, 434248, 439280, 476272, 485336, 510880, 532304, 542810, 565573, 595340, 606670, 665380, 680884, 716720, 801040, 851105, 868496, 878560, 922777, 952544, 970672, 1031339, 1064608, 1085620, 1131146, 1190680, 1213340, 1330760, 1361768, 1433440, 1602080, 1702210, 1736992, 1845554, 1941344, 2062678, 2171240, 2262292, 2381360, 2426680, 2661520, 2723536, 2827865, 3404420, 3691108, 4125356, 4342480, 4524584, 4613885, 4762720, 4853360, 5156695, 5323040, 5447072, 5655730, 6808840, 7382216, 8250712, 8684960, 9049168, 9227770, 9706720, 10313390, 11311460, 13617680, 14764432, 16501424, 17532763, 18098336, 18455540, 20626780, 22622920, 27235360, 29528864, 33002848, 35065526, 36911080, 41253560, 45245840, 70131052, 73822160, 82507120, 87663815, 90491680, 140262104, 147644320, 165014240, 175327630, 280524208, 350655260, 561048416, 701310520, 1402621040, 2805242080]

約数ペア:

[(1, 2805242080), (2, 1402621040), (4, 701310520), (5, 561048416), (8, 350655260), (10, 280524208), (16, 175327630), (17, 165014240), (19, 147644320), (20, 140262104), (31, 90491680), (32, 87663815), (34, 82507120), (38, 73822160), (40, 70131052), (62, 45245840), (68, 41253560), (76, 36911080), (80, 35065526), (85, 33002848), (95, 29528864), (103, 27235360), (124, 22622920), (136, 20626780), (152, 18455540), (155, 18098336), (160, 17532763), (170, 16501424), (190, 14764432), (206, 13617680), (248, 11311460), (272, 10313390), (289, 9706720), (304, 9227770), (310, 9049168), (323, 8684960), (340, 8250712), (380, 7382216), (412, 6808840), (496, 5655730), (515, 5447072), (527, 5323040), (544, 5156695), (578, 4853360), (589, 4762720), (608, 4613885), (620, 4524584), (646, 4342480), (680, 4125356), (760, 3691108), (824, 3404420), (992, 2827865), (1030, 2723536), (1054, 2661520), (1156, 2426680), (1178, 2381360), (1240, 2262292), (1292, 2171240), (1360, 2062678), (1445, 1941344), (1520, 1845554), (1615, 1736992), (1648, 1702210), (1751, 1602080), (1957, 1433440), (2060, 1361768), (2108, 1330760), (2312, 1213340), (2356, 1190680), (2480, 1131146), (2584, 1085620), (2635, 1064608), (2720, 1031339), (2890, 970672), (2945, 952544), (3040, 922777), (3193, 878560), (3230, 868496), (3296, 851105), (3502, 801040), (3914, 716720), (4120, 680884), (4216, 665380), (4624, 606670), (4712, 595340), (4960, 565573), (5168, 542810), (5270, 532304), (5491, 510880), (5780, 485336), (5890, 476272), (6386, 439280), (6460, 434248), (7004, 400520), (7828, 358360), (8240, 340442), (8432, 332690), (8755, 320416), (8959, 313120), (9248, 303335), (9424, 297670), (9785, 286688), (10013, 280160), (10336, 271405), (10540, 266152), (10982, 255440), (11560, 242668), (11780, 238136), (12772, 219640), (12920, 217124), (14008, 200260), (15656, 179180), (15965, 175712), (16480, 170221), (16864, 166345), (17510, 160208), (17918, 156560), (18848, 148835), (19570, 143344), (20026, 140080), (21080, 133076), (21964, 127720), (23120, 121334), (23560, 119068), (25544, 109820), (25840, 108562), (27455, 102176), (28016, 100130), (29767, 94240), (31312, 89590), (31930, 87856), (33269, 84320), (35020, 80104), (35836, 78280), (39140, 71672), (40052, 70040), (42160, 66538), (43928, 63860), (44795, 62624), (46240, 60667), (47120, 59534), (50065, 56032), (51088, 54910), (51680, 54281)]