218579760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1456

約数の個数: 240

約数和(自身を含む): 866611200

約数和(自身を除く): 648031440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1399, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 2798, 3255, 3472, 3720, 3906, 4197, 4340, 4464, 5040, 5208, 5580, 5596, 6510, 6995, 7440, 7812, 8394, 8680, 9765, 9793, 10416, 11160, 11192, 12591, 13020, 13990, 15624, 16788, 17360, 19530, 19586, 20985, 22320, 22384, 25182, 26040, 27980, 29379, 31248, 33576, 39060, 39172, 41970, 43369, 48965, 50364, 52080, 55960, 58758, 62955, 67152, 78120, 78344, 83940, 86738, 88137, 97930, 100728, 111920, 117516, 125910, 130107, 146895, 156240, 156688, 167880, 173476, 176274, 195860, 201456, 216845, 235032, 251820, 260214, 293790, 303583, 335760, 346952, 352548, 390321, 391720, 433690, 440685, 470064, 503640, 520428, 587580, 607166, 650535, 693904, 705096, 780642, 783440, 867380, 881370, 910749, 1007280, 1040856, 1175160, 1214332, 1301070, 1410192, 1517915, 1561284, 1734760, 1762740, 1821498, 1951605, 2081712, 2350320, 2428664, 2602140, 2732247, 3035830, 3122568, 3469520, 3525480, 3642996, 3903210, 4553745, 4857328, 5204280, 5464494, 6071660, 6245136, 7050960, 7285992, 7806420, 9107490, 10408560, 10928988, 12143320, 13661235, 14571984, 15612840, 18214980, 21857976, 24286640, 27322470, 31225680, 36429960, 43715952, 54644940, 72859920, 109289880, 218579760]

約数ペア:

[(1, 218579760), (2, 109289880), (3, 72859920), (4, 54644940), (5, 43715952), (6, 36429960), (7, 31225680), (8, 27322470), (9, 24286640), (10, 21857976), (12, 18214980), (14, 15612840), (15, 14571984), (16, 13661235), (18, 12143320), (20, 10928988), (21, 10408560), (24, 9107490), (28, 7806420), (30, 7285992), (31, 7050960), (35, 6245136), (36, 6071660), (40, 5464494), (42, 5204280), (45, 4857328), (48, 4553745), (56, 3903210), (60, 3642996), (62, 3525480), (63, 3469520), (70, 3122568), (72, 3035830), (80, 2732247), (84, 2602140), (90, 2428664), (93, 2350320), (105, 2081712), (112, 1951605), (120, 1821498), (124, 1762740), (126, 1734760), (140, 1561284), (144, 1517915), (155, 1410192), (168, 1301070), (180, 1214332), (186, 1175160), (210, 1040856), (217, 1007280), (240, 910749), (248, 881370), (252, 867380), (279, 783440), (280, 780642), (310, 705096), (315, 693904), (336, 650535), (360, 607166), (372, 587580), (420, 520428), (434, 503640), (465, 470064), (496, 440685), (504, 433690), (558, 391720), (560, 390321), (620, 352548), (630, 346952), (651, 335760), (720, 303583), (744, 293790), (840, 260214), (868, 251820), (930, 235032), (1008, 216845), (1085, 201456), (1116, 195860), (1240, 176274), (1260, 173476), (1302, 167880), (1395, 156688), (1399, 156240), (1488, 146895), (1680, 130107), (1736, 125910), (1860, 117516), (1953, 111920), (2170, 100728), (2232, 97930), (2480, 88137), (2520, 86738), (2604, 83940), (2790, 78344), (2798, 78120), (3255, 67152), (3472, 62955), (3720, 58758), (3906, 55960), (4197, 52080), (4340, 50364), (4464, 48965), (5040, 43369), (5208, 41970), (5580, 39172), (5596, 39060), (6510, 33576), (6995, 31248), (7440, 29379), (7812, 27980), (8394, 26040), (8680, 25182), (9765, 22384), (9793, 22320), (10416, 20985), (11160, 19586), (11192, 19530), (12591, 17360), (13020, 16788), (13990, 15624)]