658690920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21031}}^1$

素因数の和:21080

約数の個数: 128

約数和(自身を含む): 2271456000

約数和(自身を除く): 1612765080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 522, 540, 580, 696, 783, 870, 1044, 1080, 1160, 1305, 1566, 1740, 2088, 2610, 3132, 3480, 3915, 5220, 6264, 7830, 10440, 15660, 21031, 31320, 42062, 63093, 84124, 105155, 126186, 168248, 189279, 210310, 252372, 315465, 378558, 420620, 504744, 567837, 609899, 630930, 757116, 841240, 946395, 1135674, 1219798, 1261860, 1514232, 1829697, 1892790, 2271348, 2439596, 2523720, 2839185, 3049495, 3659394, 3785580, 4542696, 4879192, 5489091, 5678370, 6098990, 7318788, 7571160, 9148485, 10978182, 11356740, 12197980, 14637576, 16467273, 18296970, 21956364, 22713480, 24395960, 27445455, 32934546, 36593940, 43912728, 54890910, 65869092, 73187880, 82336365, 109781820, 131738184, 164672730, 219563640, 329345460, 658690920]

約数ペア:

[(1, 658690920), (2, 329345460), (3, 219563640), (4, 164672730), (5, 131738184), (6, 109781820), (8, 82336365), (9, 73187880), (10, 65869092), (12, 54890910), (15, 43912728), (18, 36593940), (20, 32934546), (24, 27445455), (27, 24395960), (29, 22713480), (30, 21956364), (36, 18296970), (40, 16467273), (45, 14637576), (54, 12197980), (58, 11356740), (60, 10978182), (72, 9148485), (87, 7571160), (90, 7318788), (108, 6098990), (116, 5678370), (120, 5489091), (135, 4879192), (145, 4542696), (174, 3785580), (180, 3659394), (216, 3049495), (232, 2839185), (261, 2523720), (270, 2439596), (290, 2271348), (348, 1892790), (360, 1829697), (435, 1514232), (522, 1261860), (540, 1219798), (580, 1135674), (696, 946395), (783, 841240), (870, 757116), (1044, 630930), (1080, 609899), (1160, 567837), (1305, 504744), (1566, 420620), (1740, 378558), (2088, 315465), (2610, 252372), (3132, 210310), (3480, 189279), (3915, 168248), (5220, 126186), (6264, 105155), (7830, 84124), (10440, 63093), (15660, 42062), (21031, 31320)]