279305040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 240

約数和(自身を含む): 1028398464

約数和(自身を除く): 749093424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 173, 186, 210, 217, 240, 248, 280, 310, 336, 346, 372, 420, 434, 465, 496, 519, 560, 620, 651, 692, 744, 840, 865, 868, 930, 961, 1038, 1085, 1211, 1240, 1302, 1384, 1488, 1680, 1730, 1736, 1860, 1922, 2076, 2170, 2422, 2480, 2595, 2604, 2768, 2883, 3255, 3460, 3472, 3633, 3720, 3844, 4152, 4340, 4805, 4844, 5190, 5208, 5363, 5766, 6055, 6510, 6727, 6920, 7266, 7440, 7688, 8304, 8680, 9610, 9688, 10380, 10416, 10726, 11532, 12110, 13020, 13454, 13840, 14415, 14532, 15376, 16089, 17360, 18165, 19220, 19376, 20181, 20760, 21452, 23064, 24220, 26040, 26815, 26908, 28830, 29064, 32178, 33635, 36330, 37541, 38440, 40362, 41520, 42904, 46128, 48440, 52080, 53630, 53816, 57660, 58128, 64356, 67270, 72660, 75082, 76880, 80445, 80724, 85808, 96880, 100905, 107260, 107632, 112623, 115320, 128712, 134540, 145320, 150164, 160890, 161448, 166253, 187705, 201810, 214520, 225246, 230640, 257424, 269080, 290640, 300328, 321780, 322896, 332506, 375410, 403620, 429040, 450492, 498759, 538160, 563115, 600656, 643560, 665012, 750820, 807240, 831265, 900984, 997518, 1126230, 1163771, 1287120, 1330024, 1501640, 1614480, 1662530, 1801968, 1995036, 2252460, 2327542, 2493795, 2660048, 3003280, 3325060, 3491313, 3990072, 4504920, 4655084, 4987590, 5818855, 6650120, 6982626, 7980144, 9009840, 9310168, 9975180, 11637710, 13300240, 13965252, 17456565, 18620336, 19950360, 23275420, 27930504, 34913130, 39900720, 46550840, 55861008, 69826260, 93101680, 139652520, 279305040]

約数ペア:

[(1, 279305040), (2, 139652520), (3, 93101680), (4, 69826260), (5, 55861008), (6, 46550840), (7, 39900720), (8, 34913130), (10, 27930504), (12, 23275420), (14, 19950360), (15, 18620336), (16, 17456565), (20, 13965252), (21, 13300240), (24, 11637710), (28, 9975180), (30, 9310168), (31, 9009840), (35, 7980144), (40, 6982626), (42, 6650120), (48, 5818855), (56, 4987590), (60, 4655084), (62, 4504920), (70, 3990072), (80, 3491313), (84, 3325060), (93, 3003280), (105, 2660048), (112, 2493795), (120, 2327542), (124, 2252460), (140, 1995036), (155, 1801968), (168, 1662530), (173, 1614480), (186, 1501640), (210, 1330024), (217, 1287120), (240, 1163771), (248, 1126230), (280, 997518), (310, 900984), (336, 831265), (346, 807240), (372, 750820), (420, 665012), (434, 643560), (465, 600656), (496, 563115), (519, 538160), (560, 498759), (620, 450492), (651, 429040), (692, 403620), (744, 375410), (840, 332506), (865, 322896), (868, 321780), (930, 300328), (961, 290640), (1038, 269080), (1085, 257424), (1211, 230640), (1240, 225246), (1302, 214520), (1384, 201810), (1488, 187705), (1680, 166253), (1730, 161448), (1736, 160890), (1860, 150164), (1922, 145320), (2076, 134540), (2170, 128712), (2422, 115320), (2480, 112623), (2595, 107632), (2604, 107260), (2768, 100905), (2883, 96880), (3255, 85808), (3460, 80724), (3472, 80445), (3633, 76880), (3720, 75082), (3844, 72660), (4152, 67270), (4340, 64356), (4805, 58128), (4844, 57660), (5190, 53816), (5208, 53630), (5363, 52080), (5766, 48440), (6055, 46128), (6510, 42904), (6727, 41520), (6920, 40362), (7266, 38440), (7440, 37541), (7688, 36330), (8304, 33635), (8680, 32178), (9610, 29064), (9688, 28830), (10380, 26908), (10416, 26815), (10726, 26040), (11532, 24220), (12110, 23064), (13020, 21452), (13454, 20760), (13840, 20181), (14415, 19376), (14532, 19220), (15376, 18165), (16089, 17360)]