989181720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17959}}^1$

素因数の和:17999

約数の個数: 160

約数和(自身を含む): 3520519200

約数和(自身を除く): 2531337480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 255, 270, 306, 324, 340, 360, 405, 408, 459, 510, 540, 612, 648, 680, 765, 810, 918, 1020, 1080, 1224, 1377, 1530, 1620, 1836, 2040, 2295, 2754, 3060, 3240, 3672, 4590, 5508, 6120, 6885, 9180, 11016, 13770, 17959, 18360, 27540, 35918, 53877, 55080, 71836, 89795, 107754, 143672, 161631, 179590, 215508, 269385, 305303, 323262, 359180, 431016, 484893, 538770, 610606, 646524, 718360, 808155, 915909, 969786, 1077540, 1221212, 1293048, 1454679, 1526515, 1616310, 1831818, 1939572, 2155080, 2424465, 2442424, 2747727, 2909358, 3053030, 3232620, 3663636, 3879144, 4579545, 4848930, 5495454, 5818716, 6106060, 6465240, 7273395, 7327272, 8243181, 9159090, 9697860, 10990908, 11637432, 12212120, 13738635, 14546790, 16486362, 18318180, 19395720, 21981816, 24729543, 27477270, 29093580, 32972724, 36636360, 41215905, 49459086, 54954540, 58187160, 65945448, 82431810, 98918172, 109909080, 123647715, 164863620, 197836344, 247295430, 329727240, 494590860, 989181720]

約数ペア:

[(1, 989181720), (2, 494590860), (3, 329727240), (4, 247295430), (5, 197836344), (6, 164863620), (8, 123647715), (9, 109909080), (10, 98918172), (12, 82431810), (15, 65945448), (17, 58187160), (18, 54954540), (20, 49459086), (24, 41215905), (27, 36636360), (30, 32972724), (34, 29093580), (36, 27477270), (40, 24729543), (45, 21981816), (51, 19395720), (54, 18318180), (60, 16486362), (68, 14546790), (72, 13738635), (81, 12212120), (85, 11637432), (90, 10990908), (102, 9697860), (108, 9159090), (120, 8243181), (135, 7327272), (136, 7273395), (153, 6465240), (162, 6106060), (170, 5818716), (180, 5495454), (204, 4848930), (216, 4579545), (255, 3879144), (270, 3663636), (306, 3232620), (324, 3053030), (340, 2909358), (360, 2747727), (405, 2442424), (408, 2424465), (459, 2155080), (510, 1939572), (540, 1831818), (612, 1616310), (648, 1526515), (680, 1454679), (765, 1293048), (810, 1221212), (918, 1077540), (1020, 969786), (1080, 915909), (1224, 808155), (1377, 718360), (1530, 646524), (1620, 610606), (1836, 538770), (2040, 484893), (2295, 431016), (2754, 359180), (3060, 323262), (3240, 305303), (3672, 269385), (4590, 215508), (5508, 179590), (6120, 161631), (6885, 143672), (9180, 107754), (11016, 89795), (13770, 71836), (17959, 55080), (18360, 53877), (27540, 35918)]