838790720

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 168

約数和(自身を含む): 2163479544

約数和(自身を除く): 1324688824

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 64, 76, 80, 95, 106, 137, 152, 160, 190, 212, 265, 274, 304, 320, 361, 380, 424, 530, 548, 608, 685, 722, 760, 848, 1007, 1060, 1096, 1216, 1370, 1444, 1520, 1696, 1805, 2014, 2120, 2192, 2603, 2740, 2888, 3040, 3392, 3610, 4028, 4240, 4384, 5035, 5206, 5480, 5776, 6080, 7220, 7261, 8056, 8480, 8768, 10070, 10412, 10960, 11552, 13015, 14440, 14522, 16112, 16960, 19133, 20140, 20824, 21920, 23104, 26030, 28880, 29044, 32224, 36305, 38266, 40280, 41648, 43840, 49457, 52060, 57760, 58088, 64448, 72610, 76532, 80560, 83296, 95665, 98914, 104120, 115520, 116176, 137959, 145220, 153064, 161120, 166592, 191330, 197828, 208240, 232352, 247285, 275918, 290440, 306128, 322240, 382660, 395656, 416480, 464704, 494570, 551836, 580880, 612256, 689795, 765320, 791312, 832960, 989140, 1103672, 1161760, 1224512, 1379590, 1530640, 1582624, 1978280, 2207344, 2323520, 2621221, 2759180, 3061280, 3165248, 3956560, 4414688, 5242442, 5518360, 6122560, 7913120, 8829376, 10484884, 11036720, 13106105, 15826240, 20969768, 22073440, 26212210, 41939536, 44146880, 52424420, 83879072, 104848840, 167758144, 209697680, 419395360, 838790720]

約数ペア:

[(1, 838790720), (2, 419395360), (4, 209697680), (5, 167758144), (8, 104848840), (10, 83879072), (16, 52424420), (19, 44146880), (20, 41939536), (32, 26212210), (38, 22073440), (40, 20969768), (53, 15826240), (64, 13106105), (76, 11036720), (80, 10484884), (95, 8829376), (106, 7913120), (137, 6122560), (152, 5518360), (160, 5242442), (190, 4414688), (212, 3956560), (265, 3165248), (274, 3061280), (304, 2759180), (320, 2621221), (361, 2323520), (380, 2207344), (424, 1978280), (530, 1582624), (548, 1530640), (608, 1379590), (685, 1224512), (722, 1161760), (760, 1103672), (848, 989140), (1007, 832960), (1060, 791312), (1096, 765320), (1216, 689795), (1370, 612256), (1444, 580880), (1520, 551836), (1696, 494570), (1805, 464704), (2014, 416480), (2120, 395656), (2192, 382660), (2603, 322240), (2740, 306128), (2888, 290440), (3040, 275918), (3392, 247285), (3610, 232352), (4028, 208240), (4240, 197828), (4384, 191330), (5035, 166592), (5206, 161120), (5480, 153064), (5776, 145220), (6080, 137959), (7220, 116176), (7261, 115520), (8056, 104120), (8480, 98914), (8768, 95665), (10070, 83296), (10412, 80560), (10960, 76532), (11552, 72610), (13015, 64448), (14440, 58088), (14522, 57760), (16112, 52060), (16960, 49457), (19133, 43840), (20140, 41648), (20824, 40280), (21920, 38266), (23104, 36305), (26030, 32224), (28880, 29044)]