268485420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1280

約数の個数: 192

約数和(自身を含む): 939810816

約数和(自身を除く): 671325396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 31, 34, 35, 42, 51, 60, 62, 68, 70, 84, 85, 93, 102, 105, 119, 124, 140, 155, 170, 186, 204, 210, 217, 238, 255, 310, 340, 357, 372, 420, 434, 465, 476, 510, 527, 595, 620, 651, 714, 868, 930, 1020, 1054, 1085, 1190, 1213, 1302, 1428, 1581, 1785, 1860, 2108, 2170, 2380, 2426, 2604, 2635, 3162, 3255, 3570, 3639, 3689, 4340, 4852, 5270, 6065, 6324, 6510, 7140, 7278, 7378, 7905, 8491, 10540, 11067, 12130, 13020, 14556, 14756, 15810, 16982, 18195, 18445, 20621, 22134, 24260, 25473, 31620, 33964, 36390, 36890, 37603, 41242, 42455, 44268, 50946, 55335, 61863, 72780, 73780, 75206, 82484, 84910, 101892, 103105, 110670, 112809, 123726, 127365, 144347, 150412, 169820, 188015, 206210, 221340, 225618, 247452, 254730, 263221, 288694, 309315, 376030, 412420, 433041, 451236, 509460, 526442, 564045, 577388, 618630, 639251, 721735, 752060, 789663, 866082, 1052884, 1128090, 1237260, 1278502, 1316105, 1443470, 1579326, 1732164, 1917753, 2165205, 2256180, 2557004, 2632210, 2886940, 3158652, 3196255, 3835506, 3948315, 4330410, 4474757, 5264420, 6392510, 7671012, 7896630, 8660820, 8949514, 9588765, 12785020, 13424271, 15793260, 17899028, 19177530, 22373785, 26848542, 38355060, 44747570, 53697084, 67121355, 89495140, 134242710, 268485420]

約数ペア:

[(1, 268485420), (2, 134242710), (3, 89495140), (4, 67121355), (5, 53697084), (6, 44747570), (7, 38355060), (10, 26848542), (12, 22373785), (14, 19177530), (15, 17899028), (17, 15793260), (20, 13424271), (21, 12785020), (28, 9588765), (30, 8949514), (31, 8660820), (34, 7896630), (35, 7671012), (42, 6392510), (51, 5264420), (60, 4474757), (62, 4330410), (68, 3948315), (70, 3835506), (84, 3196255), (85, 3158652), (93, 2886940), (102, 2632210), (105, 2557004), (119, 2256180), (124, 2165205), (140, 1917753), (155, 1732164), (170, 1579326), (186, 1443470), (204, 1316105), (210, 1278502), (217, 1237260), (238, 1128090), (255, 1052884), (310, 866082), (340, 789663), (357, 752060), (372, 721735), (420, 639251), (434, 618630), (465, 577388), (476, 564045), (510, 526442), (527, 509460), (595, 451236), (620, 433041), (651, 412420), (714, 376030), (868, 309315), (930, 288694), (1020, 263221), (1054, 254730), (1085, 247452), (1190, 225618), (1213, 221340), (1302, 206210), (1428, 188015), (1581, 169820), (1785, 150412), (1860, 144347), (2108, 127365), (2170, 123726), (2380, 112809), (2426, 110670), (2604, 103105), (2635, 101892), (3162, 84910), (3255, 82484), (3570, 75206), (3639, 73780), (3689, 72780), (4340, 61863), (4852, 55335), (5270, 50946), (6065, 44268), (6324, 42455), (6510, 41242), (7140, 37603), (7278, 36890), (7378, 36390), (7905, 33964), (8491, 31620), (10540, 25473), (11067, 24260), (12130, 22134), (13020, 20621), (14556, 18445), (14756, 18195), (15810, 16982)]