218539440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:488

約数の個数: 240

約数和(自身を含む): 847731456

約数和(自身を除く): 629192016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 131, 140, 144, 168, 180, 210, 240, 252, 262, 280, 315, 331, 336, 360, 393, 420, 504, 524, 560, 630, 655, 662, 720, 786, 840, 917, 993, 1008, 1048, 1179, 1260, 1310, 1324, 1572, 1655, 1680, 1834, 1965, 1986, 2096, 2317, 2358, 2520, 2620, 2648, 2751, 2979, 3144, 3310, 3668, 3930, 3972, 4585, 4634, 4716, 4965, 5040, 5240, 5296, 5502, 5895, 5958, 6288, 6620, 6951, 7336, 7860, 7944, 8253, 9170, 9268, 9432, 9930, 10480, 11004, 11585, 11790, 11916, 13240, 13755, 13902, 14672, 14895, 15720, 15888, 16506, 18340, 18536, 18864, 19860, 20853, 22008, 23170, 23580, 23832, 26480, 27510, 27804, 29790, 31440, 33012, 34755, 36680, 37072, 39720, 41265, 41706, 43361, 44016, 46340, 47160, 47664, 55020, 55608, 59580, 66024, 69510, 73360, 79440, 82530, 83412, 86722, 92680, 94320, 104265, 110040, 111216, 119160, 130083, 132048, 139020, 165060, 166824, 173444, 185360, 208530, 216805, 220080, 238320, 260166, 278040, 303527, 330120, 333648, 346888, 390249, 417060, 433610, 520332, 556080, 607054, 650415, 660240, 693776, 780498, 834120, 867220, 910581, 1040664, 1214108, 1300830, 1517635, 1560996, 1668240, 1734440, 1821162, 1951245, 2081328, 2428216, 2601660, 2731743, 3035270, 3121992, 3468880, 3642324, 3902490, 4552905, 4856432, 5203320, 5463486, 6070540, 6243984, 7284648, 7804980, 9105810, 10406640, 10926972, 12141080, 13658715, 14569296, 15609960, 18211620, 21853944, 24282160, 27317430, 31219920, 36423240, 43707888, 54634860, 72846480, 109269720, 218539440]

約数ペア:

[(1, 218539440), (2, 109269720), (3, 72846480), (4, 54634860), (5, 43707888), (6, 36423240), (7, 31219920), (8, 27317430), (9, 24282160), (10, 21853944), (12, 18211620), (14, 15609960), (15, 14569296), (16, 13658715), (18, 12141080), (20, 10926972), (21, 10406640), (24, 9105810), (28, 7804980), (30, 7284648), (35, 6243984), (36, 6070540), (40, 5463486), (42, 5203320), (45, 4856432), (48, 4552905), (56, 3902490), (60, 3642324), (63, 3468880), (70, 3121992), (72, 3035270), (80, 2731743), (84, 2601660), (90, 2428216), (105, 2081328), (112, 1951245), (120, 1821162), (126, 1734440), (131, 1668240), (140, 1560996), (144, 1517635), (168, 1300830), (180, 1214108), (210, 1040664), (240, 910581), (252, 867220), (262, 834120), (280, 780498), (315, 693776), (331, 660240), (336, 650415), (360, 607054), (393, 556080), (420, 520332), (504, 433610), (524, 417060), (560, 390249), (630, 346888), (655, 333648), (662, 330120), (720, 303527), (786, 278040), (840, 260166), (917, 238320), (993, 220080), (1008, 216805), (1048, 208530), (1179, 185360), (1260, 173444), (1310, 166824), (1324, 165060), (1572, 139020), (1655, 132048), (1680, 130083), (1834, 119160), (1965, 111216), (1986, 110040), (2096, 104265), (2317, 94320), (2358, 92680), (2520, 86722), (2620, 83412), (2648, 82530), (2751, 79440), (2979, 73360), (3144, 69510), (3310, 66024), (3668, 59580), (3930, 55608), (3972, 55020), (4585, 47664), (4634, 47160), (4716, 46340), (4965, 44016), (5040, 43361), (5240, 41706), (5296, 41265), (5502, 39720), (5895, 37072), (5958, 36680), (6288, 34755), (6620, 33012), (6951, 31440), (7336, 29790), (7860, 27804), (7944, 27510), (8253, 26480), (9170, 23832), (9268, 23580), (9432, 23170), (9930, 22008), (10480, 20853), (11004, 19860), (11585, 18864), (11790, 18536), (11916, 18340), (13240, 16506), (13755, 15888), (13902, 15720), (14672, 14895)]