31314780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{857}}^1$

素因数の和:908

約数の個数: 144

約数和(自身を含む): 112432320

約数和(自身を除く): 81117540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 580, 609, 630, 812, 857, 870, 1015, 1044, 1218, 1260, 1305, 1714, 1740, 1827, 2030, 2436, 2571, 2610, 3045, 3428, 3654, 4060, 4285, 5142, 5220, 5999, 6090, 7308, 7713, 8570, 9135, 10284, 11998, 12180, 12855, 15426, 17140, 17997, 18270, 23996, 24853, 25710, 29995, 30852, 35994, 36540, 38565, 49706, 51420, 53991, 59990, 71988, 74559, 77130, 89985, 99412, 107982, 119980, 124265, 149118, 154260, 173971, 179970, 215964, 223677, 248530, 269955, 298236, 347942, 359940, 372795, 447354, 497060, 521913, 539910, 695884, 745590, 869855, 894708, 1043826, 1079820, 1118385, 1491180, 1565739, 1739710, 2087652, 2236770, 2609565, 3131478, 3479420, 4473540, 5219130, 6262956, 7828695, 10438260, 15657390, 31314780]

約数ペア:

[(1, 31314780), (2, 15657390), (3, 10438260), (4, 7828695), (5, 6262956), (6, 5219130), (7, 4473540), (9, 3479420), (10, 3131478), (12, 2609565), (14, 2236770), (15, 2087652), (18, 1739710), (20, 1565739), (21, 1491180), (28, 1118385), (29, 1079820), (30, 1043826), (35, 894708), (36, 869855), (42, 745590), (45, 695884), (58, 539910), (60, 521913), (63, 497060), (70, 447354), (84, 372795), (87, 359940), (90, 347942), (105, 298236), (116, 269955), (126, 248530), (140, 223677), (145, 215964), (174, 179970), (180, 173971), (203, 154260), (210, 149118), (252, 124265), (261, 119980), (290, 107982), (315, 99412), (348, 89985), (406, 77130), (420, 74559), (435, 71988), (522, 59990), (580, 53991), (609, 51420), (630, 49706), (812, 38565), (857, 36540), (870, 35994), (1015, 30852), (1044, 29995), (1218, 25710), (1260, 24853), (1305, 23996), (1714, 18270), (1740, 17997), (1827, 17140), (2030, 15426), (2436, 12855), (2571, 12180), (2610, 11998), (3045, 10284), (3428, 9135), (3654, 8570), (4060, 7713), (4285, 7308), (5142, 6090), (5220, 5999)]