217314720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21559}}^1$

素因数の和:21587

約数の個数: 144

約数和(自身を含む): 847566720

約数和(自身を除く): 630252000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21559, 43118, 64677, 86236, 107795, 129354, 150913, 172472, 194031, 215590, 258708, 301826, 323385, 344944, 388062, 431180, 452739, 517416, 603652, 646770, 689888, 754565, 776124, 862360, 905478, 970155, 1034832, 1207304, 1293540, 1358217, 1509130, 1552248, 1724720, 1810956, 1940310, 2069664, 2263695, 2414608, 2587080, 2716434, 3018260, 3104496, 3449440, 3621912, 3880620, 4527390, 4829216, 5174160, 5432868, 6036520, 6208992, 6791085, 7243824, 7761240, 9054780, 10348320, 10865736, 12073040, 13582170, 14487648, 15522480, 18109560, 21731472, 24146080, 27164340, 31044960, 36219120, 43462944, 54328680, 72438240, 108657360, 217314720]

約数ペア:

[(1, 217314720), (2, 108657360), (3, 72438240), (4, 54328680), (5, 43462944), (6, 36219120), (7, 31044960), (8, 27164340), (9, 24146080), (10, 21731472), (12, 18109560), (14, 15522480), (15, 14487648), (16, 13582170), (18, 12073040), (20, 10865736), (21, 10348320), (24, 9054780), (28, 7761240), (30, 7243824), (32, 6791085), (35, 6208992), (36, 6036520), (40, 5432868), (42, 5174160), (45, 4829216), (48, 4527390), (56, 3880620), (60, 3621912), (63, 3449440), (70, 3104496), (72, 3018260), (80, 2716434), (84, 2587080), (90, 2414608), (96, 2263695), (105, 2069664), (112, 1940310), (120, 1810956), (126, 1724720), (140, 1552248), (144, 1509130), (160, 1358217), (168, 1293540), (180, 1207304), (210, 1034832), (224, 970155), (240, 905478), (252, 862360), (280, 776124), (288, 754565), (315, 689888), (336, 646770), (360, 603652), (420, 517416), (480, 452739), (504, 431180), (560, 388062), (630, 344944), (672, 323385), (720, 301826), (840, 258708), (1008, 215590), (1120, 194031), (1260, 172472), (1440, 150913), (1680, 129354), (2016, 107795), (2520, 86236), (3360, 64677), (5040, 43118), (10080, 21559)]