15720750

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 46500480

約数和(自身を除く): 30779730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 27, 30, 34, 45, 50, 51, 54, 75, 85, 90, 102, 125, 135, 137, 150, 153, 170, 225, 250, 255, 270, 274, 306, 375, 411, 425, 450, 459, 510, 675, 685, 750, 765, 822, 850, 918, 1125, 1233, 1275, 1350, 1370, 1530, 2055, 2125, 2250, 2295, 2329, 2466, 2550, 3375, 3425, 3699, 3825, 4110, 4250, 4590, 4658, 6165, 6375, 6750, 6850, 6987, 7398, 7650, 10275, 11475, 11645, 12330, 12750, 13974, 17125, 18495, 19125, 20550, 20961, 22950, 23290, 30825, 34250, 34935, 36990, 38250, 41922, 51375, 57375, 58225, 61650, 62883, 69870, 92475, 102750, 104805, 114750, 116450, 125766, 154125, 174675, 184950, 209610, 291125, 308250, 314415, 349350, 462375, 524025, 582250, 628830, 873375, 924750, 1048050, 1572075, 1746750, 2620125, 3144150, 5240250, 7860375, 15720750]

約数ペア:

[(1, 15720750), (2, 7860375), (3, 5240250), (5, 3144150), (6, 2620125), (9, 1746750), (10, 1572075), (15, 1048050), (17, 924750), (18, 873375), (25, 628830), (27, 582250), (30, 524025), (34, 462375), (45, 349350), (50, 314415), (51, 308250), (54, 291125), (75, 209610), (85, 184950), (90, 174675), (102, 154125), (125, 125766), (135, 116450), (137, 114750), (150, 104805), (153, 102750), (170, 92475), (225, 69870), (250, 62883), (255, 61650), (270, 58225), (274, 57375), (306, 51375), (375, 41922), (411, 38250), (425, 36990), (450, 34935), (459, 34250), (510, 30825), (675, 23290), (685, 22950), (750, 20961), (765, 20550), (822, 19125), (850, 18495), (918, 17125), (1125, 13974), (1233, 12750), (1275, 12330), (1350, 11645), (1370, 11475), (1530, 10275), (2055, 7650), (2125, 7398), (2250, 6987), (2295, 6850), (2329, 6750), (2466, 6375), (2550, 6165), (3375, 4658), (3425, 4590), (3699, 4250), (3825, 4110)]