81544800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:641

約数の個数: 144

約数和(自身を含む): 270263952

約数和(自身を除く): 188719152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 61, 75, 80, 96, 100, 120, 122, 150, 160, 183, 200, 240, 244, 300, 305, 366, 400, 480, 488, 557, 600, 610, 732, 800, 915, 976, 1114, 1200, 1220, 1464, 1525, 1671, 1830, 1952, 2228, 2400, 2440, 2785, 2928, 3050, 3342, 3660, 4456, 4575, 4880, 5570, 5856, 6100, 6684, 7320, 8355, 8912, 9150, 9760, 11140, 12200, 13368, 13925, 14640, 16710, 17824, 18300, 22280, 24400, 26736, 27850, 29280, 33420, 33977, 36600, 41775, 44560, 48800, 53472, 55700, 66840, 67954, 73200, 83550, 89120, 101931, 111400, 133680, 135908, 146400, 167100, 169885, 203862, 222800, 267360, 271816, 334200, 339770, 407724, 445600, 509655, 543632, 668400, 679540, 815448, 849425, 1019310, 1087264, 1336800, 1359080, 1630896, 1698850, 2038620, 2548275, 2718160, 3261792, 3397700, 4077240, 5096550, 5436320, 6795400, 8154480, 10193100, 13590800, 16308960, 20386200, 27181600, 40772400, 81544800]

約数ペア:

[(1, 81544800), (2, 40772400), (3, 27181600), (4, 20386200), (5, 16308960), (6, 13590800), (8, 10193100), (10, 8154480), (12, 6795400), (15, 5436320), (16, 5096550), (20, 4077240), (24, 3397700), (25, 3261792), (30, 2718160), (32, 2548275), (40, 2038620), (48, 1698850), (50, 1630896), (60, 1359080), (61, 1336800), (75, 1087264), (80, 1019310), (96, 849425), (100, 815448), (120, 679540), (122, 668400), (150, 543632), (160, 509655), (183, 445600), (200, 407724), (240, 339770), (244, 334200), (300, 271816), (305, 267360), (366, 222800), (400, 203862), (480, 169885), (488, 167100), (557, 146400), (600, 135908), (610, 133680), (732, 111400), (800, 101931), (915, 89120), (976, 83550), (1114, 73200), (1200, 67954), (1220, 66840), (1464, 55700), (1525, 53472), (1671, 48800), (1830, 44560), (1952, 41775), (2228, 36600), (2400, 33977), (2440, 33420), (2785, 29280), (2928, 27850), (3050, 26736), (3342, 24400), (3660, 22280), (4456, 18300), (4575, 17824), (4880, 16710), (5570, 14640), (5856, 13925), (6100, 13368), (6684, 12200), (7320, 11140), (8355, 9760), (8912, 9150)]