72080280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{22247}}^1$

素因数の和:22270

約数の個数: 80

約数和(自身を含む): 242280720

約数和(自身を除く): 170200440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 22247, 44494, 66741, 88988, 111235, 133482, 177976, 200223, 222470, 266964, 333705, 400446, 444940, 533928, 600669, 667410, 800892, 889880, 1001115, 1201338, 1334820, 1601784, 1802007, 2002230, 2402676, 2669640, 3003345, 3604014, 4004460, 4805352, 6006690, 7208028, 8008920, 9010035, 12013380, 14416056, 18020070, 24026760, 36040140, 72080280]

約数ペア:

[(1, 72080280), (2, 36040140), (3, 24026760), (4, 18020070), (5, 14416056), (6, 12013380), (8, 9010035), (9, 8008920), (10, 7208028), (12, 6006690), (15, 4805352), (18, 4004460), (20, 3604014), (24, 3003345), (27, 2669640), (30, 2402676), (36, 2002230), (40, 1802007), (45, 1601784), (54, 1334820), (60, 1201338), (72, 1001115), (81, 889880), (90, 800892), (108, 667410), (120, 600669), (135, 533928), (162, 444940), (180, 400446), (216, 333705), (270, 266964), (324, 222470), (360, 200223), (405, 177976), (540, 133482), (648, 111235), (810, 88988), (1080, 66741), (1620, 44494), (3240, 22247)]