1261343680

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{757}}^1$

素因数の和:942

約数の個数: 112

約数和(自身を含む): 3105156096

約数和(自身を除く): 1843812416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 127, 160, 164, 205, 254, 320, 328, 410, 508, 635, 656, 757, 820, 1016, 1270, 1312, 1514, 1640, 2032, 2540, 2624, 3028, 3280, 3785, 4064, 5080, 5207, 6056, 6560, 7570, 8128, 10160, 10414, 12112, 13120, 15140, 20320, 20828, 24224, 26035, 30280, 31037, 40640, 41656, 48448, 52070, 60560, 62074, 83312, 96139, 104140, 121120, 124148, 155185, 166624, 192278, 208280, 242240, 248296, 310370, 333248, 384556, 416560, 480695, 496592, 620740, 769112, 833120, 961390, 993184, 1241480, 1538224, 1666240, 1922780, 1986368, 2482960, 3076448, 3845560, 3941699, 4965920, 6152896, 7691120, 7883398, 9931840, 15382240, 15766796, 19708495, 30764480, 31533592, 39416990, 63067184, 78833980, 126134368, 157667960, 252268736, 315335920, 630671840, 1261343680]

約数ペア:

[(1, 1261343680), (2, 630671840), (4, 315335920), (5, 252268736), (8, 157667960), (10, 126134368), (16, 78833980), (20, 63067184), (32, 39416990), (40, 31533592), (41, 30764480), (64, 19708495), (80, 15766796), (82, 15382240), (127, 9931840), (160, 7883398), (164, 7691120), (205, 6152896), (254, 4965920), (320, 3941699), (328, 3845560), (410, 3076448), (508, 2482960), (635, 1986368), (656, 1922780), (757, 1666240), (820, 1538224), (1016, 1241480), (1270, 993184), (1312, 961390), (1514, 833120), (1640, 769112), (2032, 620740), (2540, 496592), (2624, 480695), (3028, 416560), (3280, 384556), (3785, 333248), (4064, 310370), (5080, 248296), (5207, 242240), (6056, 208280), (6560, 192278), (7570, 166624), (8128, 155185), (10160, 124148), (10414, 121120), (12112, 104140), (13120, 96139), (15140, 83312), (20320, 62074), (20828, 60560), (24224, 52070), (26035, 48448), (30280, 41656), (31037, 40640)]