1281381660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:802

約数の個数: 288

約数和(自身を含む): 4550112000

約数和(自身を除く): 3268730340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 90, 95, 108, 114, 117, 130, 135, 156, 169, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 338, 342, 351, 380, 390, 468, 494, 507, 513, 540, 570, 585, 676, 684, 702, 739, 741, 780, 845, 855, 988, 1014, 1026, 1140, 1170, 1235, 1404, 1478, 1482, 1521, 1690, 1710, 1755, 2028, 2052, 2217, 2223, 2340, 2470, 2535, 2565, 2956, 2964, 3042, 3211, 3380, 3420, 3510, 3695, 3705, 4434, 4446, 4563, 4940, 5070, 5130, 6084, 6422, 6651, 6669, 7020, 7390, 7410, 7605, 8868, 8892, 9126, 9607, 9633, 10140, 10260, 11085, 11115, 12844, 13302, 13338, 14041, 14780, 14820, 15210, 16055, 18252, 19214, 19266, 19953, 22170, 22230, 22815, 26604, 26676, 28082, 28821, 28899, 30420, 32110, 33255, 33345, 38428, 38532, 39906, 42123, 44340, 44460, 45630, 48035, 48165, 56164, 57642, 57798, 64220, 66510, 66690, 70205, 79812, 84246, 86463, 86697, 91260, 96070, 96330, 99765, 115284, 115596, 124891, 126369, 133020, 133380, 140410, 144105, 144495, 168492, 172926, 173394, 182533, 192140, 192660, 199530, 210615, 249782, 252738, 259389, 280820, 288210, 288990, 345852, 346788, 365066, 374673, 379107, 399060, 421230, 432315, 433485, 499564, 505476, 518778, 547599, 576420, 577980, 624455, 631845, 730132, 749346, 758214, 842460, 864630, 866970, 912665, 1037556, 1095198, 1124019, 1248910, 1263690, 1296945, 1498692, 1516428, 1642797, 1729260, 1733940, 1825330, 1873365, 1895535, 2190396, 2248038, 2372929, 2497820, 2527380, 2593890, 2737995, 3285594, 3372057, 3650660, 3746730, 3791070, 4496076, 4745858, 4928391, 5187780, 5475990, 5620095, 6571188, 6744114, 7118787, 7493460, 7582140, 8213985, 9491716, 9856782, 10951980, 11240190, 11864645, 13488228, 14237574, 16427970, 16860285, 19713564, 21356361, 22480380, 23729290, 24641955, 28475148, 32855940, 33720570, 35593935, 42712722, 47458580, 49283910, 64069083, 67441140, 71187870, 85425444, 98567820, 106781805, 128138166, 142375740, 213563610, 256276332, 320345415, 427127220, 640690830, 1281381660]

約数ペア:

[(1, 1281381660), (2, 640690830), (3, 427127220), (4, 320345415), (5, 256276332), (6, 213563610), (9, 142375740), (10, 128138166), (12, 106781805), (13, 98567820), (15, 85425444), (18, 71187870), (19, 67441140), (20, 64069083), (26, 49283910), (27, 47458580), (30, 42712722), (36, 35593935), (38, 33720570), (39, 32855940), (45, 28475148), (52, 24641955), (54, 23729290), (57, 22480380), (60, 21356361), (65, 19713564), (76, 16860285), (78, 16427970), (90, 14237574), (95, 13488228), (108, 11864645), (114, 11240190), (117, 10951980), (130, 9856782), (135, 9491716), (156, 8213985), (169, 7582140), (171, 7493460), (180, 7118787), (190, 6744114), (195, 6571188), (228, 5620095), (234, 5475990), (247, 5187780), (260, 4928391), (270, 4745858), (285, 4496076), (338, 3791070), (342, 3746730), (351, 3650660), (380, 3372057), (390, 3285594), (468, 2737995), (494, 2593890), (507, 2527380), (513, 2497820), (540, 2372929), (570, 2248038), (585, 2190396), (676, 1895535), (684, 1873365), (702, 1825330), (739, 1733940), (741, 1729260), (780, 1642797), (845, 1516428), (855, 1498692), (988, 1296945), (1014, 1263690), (1026, 1248910), (1140, 1124019), (1170, 1095198), (1235, 1037556), (1404, 912665), (1478, 866970), (1482, 864630), (1521, 842460), (1690, 758214), (1710, 749346), (1755, 730132), (2028, 631845), (2052, 624455), (2217, 577980), (2223, 576420), (2340, 547599), (2470, 518778), (2535, 505476), (2565, 499564), (2956, 433485), (2964, 432315), (3042, 421230), (3211, 399060), (3380, 379107), (3420, 374673), (3510, 365066), (3695, 346788), (3705, 345852), (4434, 288990), (4446, 288210), (4563, 280820), (4940, 259389), (5070, 252738), (5130, 249782), (6084, 210615), (6422, 199530), (6651, 192660), (6669, 192140), (7020, 182533), (7390, 173394), (7410, 172926), (7605, 168492), (8868, 144495), (8892, 144105), (9126, 140410), (9607, 133380), (9633, 133020), (10140, 126369), (10260, 124891), (11085, 115596), (11115, 115284), (12844, 99765), (13302, 96330), (13338, 96070), (14041, 91260), (14780, 86697), (14820, 86463), (15210, 84246), (16055, 79812), (18252, 70205), (19214, 66690), (19266, 66510), (19953, 64220), (22170, 57798), (22230, 57642), (22815, 56164), (26604, 48165), (26676, 48035), (28082, 45630), (28821, 44460), (28899, 44340), (30420, 42123), (32110, 39906), (33255, 38532), (33345, 38428)]