218190420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7529}}^1$

素因数の和:7574

約数の個数: 144

約数和(自身を含む): 789384960

約数和(自身を除く): 571194540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 2070, 2415, 2898, 3220, 4140, 4830, 5796, 7245, 7529, 9660, 14490, 15058, 22587, 28980, 30116, 37645, 45174, 52703, 67761, 75290, 90348, 105406, 112935, 135522, 150580, 158109, 173167, 210812, 225870, 263515, 271044, 316218, 338805, 346334, 451740, 474327, 519501, 527030, 632436, 677610, 692668, 790545, 865835, 948654, 1039002, 1054060, 1212169, 1355220, 1558503, 1581090, 1731670, 1897308, 2078004, 2371635, 2424338, 2597505, 3117006, 3162180, 3463340, 3636507, 4743270, 4848676, 5195010, 6060845, 6234012, 7273014, 7792515, 9486540, 10390020, 10909521, 12121690, 14546028, 15585030, 18182535, 21819042, 24243380, 31170060, 36365070, 43638084, 54547605, 72730140, 109095210, 218190420]

約数ペア:

[(1, 218190420), (2, 109095210), (3, 72730140), (4, 54547605), (5, 43638084), (6, 36365070), (7, 31170060), (9, 24243380), (10, 21819042), (12, 18182535), (14, 15585030), (15, 14546028), (18, 12121690), (20, 10909521), (21, 10390020), (23, 9486540), (28, 7792515), (30, 7273014), (35, 6234012), (36, 6060845), (42, 5195010), (45, 4848676), (46, 4743270), (60, 3636507), (63, 3463340), (69, 3162180), (70, 3117006), (84, 2597505), (90, 2424338), (92, 2371635), (105, 2078004), (115, 1897308), (126, 1731670), (138, 1581090), (140, 1558503), (161, 1355220), (180, 1212169), (207, 1054060), (210, 1039002), (230, 948654), (252, 865835), (276, 790545), (315, 692668), (322, 677610), (345, 632436), (414, 527030), (420, 519501), (460, 474327), (483, 451740), (630, 346334), (644, 338805), (690, 316218), (805, 271044), (828, 263515), (966, 225870), (1035, 210812), (1260, 173167), (1380, 158109), (1449, 150580), (1610, 135522), (1932, 112935), (2070, 105406), (2415, 90348), (2898, 75290), (3220, 67761), (4140, 52703), (4830, 45174), (5796, 37645), (7245, 30116), (7529, 28980), (9660, 22587), (14490, 15058)]