1388520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:72

約数の個数: 192

約数和(自身を含む): 5616000

約数和(自身を除く): 4227480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 29, 30, 35, 36, 38, 40, 42, 45, 56, 57, 58, 60, 63, 70, 72, 76, 84, 87, 90, 95, 105, 114, 116, 120, 126, 133, 140, 145, 152, 168, 171, 174, 180, 190, 203, 210, 228, 232, 252, 261, 266, 280, 285, 290, 315, 342, 348, 360, 380, 399, 406, 420, 435, 456, 504, 522, 532, 551, 570, 580, 609, 630, 665, 684, 696, 760, 798, 812, 840, 855, 870, 1015, 1044, 1064, 1102, 1140, 1160, 1197, 1218, 1260, 1305, 1330, 1368, 1596, 1624, 1653, 1710, 1740, 1827, 1995, 2030, 2088, 2204, 2280, 2394, 2436, 2520, 2610, 2660, 2755, 3045, 3192, 3306, 3420, 3480, 3654, 3857, 3990, 4060, 4408, 4788, 4872, 4959, 5220, 5320, 5510, 5985, 6090, 6612, 6840, 7308, 7714, 7980, 8120, 8265, 9135, 9576, 9918, 10440, 11020, 11571, 11970, 12180, 13224, 14616, 15428, 15960, 16530, 18270, 19285, 19836, 22040, 23142, 23940, 24360, 24795, 30856, 33060, 34713, 36540, 38570, 39672, 46284, 47880, 49590, 57855, 66120, 69426, 73080, 77140, 92568, 99180, 115710, 138852, 154280, 173565, 198360, 231420, 277704, 347130, 462840, 694260, 1388520]

約数ペア:

[(1, 1388520), (2, 694260), (3, 462840), (4, 347130), (5, 277704), (6, 231420), (7, 198360), (8, 173565), (9, 154280), (10, 138852), (12, 115710), (14, 99180), (15, 92568), (18, 77140), (19, 73080), (20, 69426), (21, 66120), (24, 57855), (28, 49590), (29, 47880), (30, 46284), (35, 39672), (36, 38570), (38, 36540), (40, 34713), (42, 33060), (45, 30856), (56, 24795), (57, 24360), (58, 23940), (60, 23142), (63, 22040), (70, 19836), (72, 19285), (76, 18270), (84, 16530), (87, 15960), (90, 15428), (95, 14616), (105, 13224), (114, 12180), (116, 11970), (120, 11571), (126, 11020), (133, 10440), (140, 9918), (145, 9576), (152, 9135), (168, 8265), (171, 8120), (174, 7980), (180, 7714), (190, 7308), (203, 6840), (210, 6612), (228, 6090), (232, 5985), (252, 5510), (261, 5320), (266, 5220), (280, 4959), (285, 4872), (290, 4788), (315, 4408), (342, 4060), (348, 3990), (360, 3857), (380, 3654), (399, 3480), (406, 3420), (420, 3306), (435, 3192), (456, 3045), (504, 2755), (522, 2660), (532, 2610), (551, 2520), (570, 2436), (580, 2394), (609, 2280), (630, 2204), (665, 2088), (684, 2030), (696, 1995), (760, 1827), (798, 1740), (812, 1710), (840, 1653), (855, 1624), (870, 1596), (1015, 1368), (1044, 1330), (1064, 1305), (1102, 1260), (1140, 1218), (1160, 1197)]