780755220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1604

約数の個数: 288

約数和(自身を含む): 2976220800

約数和(自身を除く): 2195465580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 49, 54, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 108, 114, 126, 133, 135, 140, 147, 171, 180, 189, 190, 196, 210, 228, 245, 252, 266, 270, 285, 294, 315, 342, 378, 380, 399, 420, 441, 490, 513, 532, 540, 570, 588, 630, 665, 684, 735, 756, 798, 855, 882, 931, 945, 980, 1026, 1140, 1197, 1260, 1323, 1330, 1470, 1553, 1596, 1710, 1764, 1862, 1890, 1995, 2052, 2205, 2394, 2565, 2646, 2660, 2793, 2940, 3106, 3420, 3591, 3724, 3780, 3990, 4410, 4655, 4659, 4788, 5130, 5292, 5586, 5985, 6212, 6615, 7182, 7765, 7980, 8379, 8820, 9310, 9318, 10260, 10871, 11172, 11970, 13230, 13965, 13977, 14364, 15530, 16758, 17955, 18620, 18636, 21742, 23295, 23940, 25137, 26460, 27930, 27954, 29507, 31060, 32613, 33516, 35910, 41895, 41931, 43484, 46590, 50274, 54355, 55860, 55908, 59014, 65226, 69885, 71820, 76097, 83790, 83862, 88521, 93180, 97839, 100548, 108710, 118028, 125685, 130452, 139770, 147535, 152194, 163065, 167580, 167724, 177042, 195678, 206549, 209655, 217420, 228291, 251370, 265563, 279540, 293517, 295070, 304388, 326130, 354084, 380485, 391356, 413098, 419310, 442605, 456582, 489195, 502740, 531126, 587034, 590140, 619647, 652260, 684873, 760970, 796689, 826196, 838620, 885210, 913164, 978390, 1032745, 1062252, 1141455, 1174068, 1239294, 1327815, 1369746, 1445843, 1467585, 1521940, 1593378, 1770420, 1858941, 1956780, 2054619, 2065490, 2282910, 2478588, 2655630, 2739492, 2891686, 2935170, 3098235, 3186756, 3424365, 3717882, 3983445, 4109238, 4130980, 4337529, 4565820, 5311260, 5576823, 5783372, 5870340, 6196470, 6848730, 7229215, 7435764, 7966890, 8218476, 8675058, 9294705, 10273095, 11153646, 12392940, 13012587, 13697460, 14458430, 15933780, 17350116, 18589410, 20546190, 21687645, 22307292, 26025174, 27884115, 28916860, 37178820, 39037761, 41092380, 43375290, 52050348, 55768230, 65062935, 78075522, 86750580, 111536460, 130125870, 156151044, 195188805, 260251740, 390377610, 780755220]

約数ペア:

[(1, 780755220), (2, 390377610), (3, 260251740), (4, 195188805), (5, 156151044), (6, 130125870), (7, 111536460), (9, 86750580), (10, 78075522), (12, 65062935), (14, 55768230), (15, 52050348), (18, 43375290), (19, 41092380), (20, 39037761), (21, 37178820), (27, 28916860), (28, 27884115), (30, 26025174), (35, 22307292), (36, 21687645), (38, 20546190), (42, 18589410), (45, 17350116), (49, 15933780), (54, 14458430), (57, 13697460), (60, 13012587), (63, 12392940), (70, 11153646), (76, 10273095), (84, 9294705), (90, 8675058), (95, 8218476), (98, 7966890), (105, 7435764), (108, 7229215), (114, 6848730), (126, 6196470), (133, 5870340), (135, 5783372), (140, 5576823), (147, 5311260), (171, 4565820), (180, 4337529), (189, 4130980), (190, 4109238), (196, 3983445), (210, 3717882), (228, 3424365), (245, 3186756), (252, 3098235), (266, 2935170), (270, 2891686), (285, 2739492), (294, 2655630), (315, 2478588), (342, 2282910), (378, 2065490), (380, 2054619), (399, 1956780), (420, 1858941), (441, 1770420), (490, 1593378), (513, 1521940), (532, 1467585), (540, 1445843), (570, 1369746), (588, 1327815), (630, 1239294), (665, 1174068), (684, 1141455), (735, 1062252), (756, 1032745), (798, 978390), (855, 913164), (882, 885210), (931, 838620), (945, 826196), (980, 796689), (1026, 760970), (1140, 684873), (1197, 652260), (1260, 619647), (1323, 590140), (1330, 587034), (1470, 531126), (1553, 502740), (1596, 489195), (1710, 456582), (1764, 442605), (1862, 419310), (1890, 413098), (1995, 391356), (2052, 380485), (2205, 354084), (2394, 326130), (2565, 304388), (2646, 295070), (2660, 293517), (2793, 279540), (2940, 265563), (3106, 251370), (3420, 228291), (3591, 217420), (3724, 209655), (3780, 206549), (3990, 195678), (4410, 177042), (4655, 167724), (4659, 167580), (4788, 163065), (5130, 152194), (5292, 147535), (5586, 139770), (5985, 130452), (6212, 125685), (6615, 118028), (7182, 108710), (7765, 100548), (7980, 97839), (8379, 93180), (8820, 88521), (9310, 83862), (9318, 83790), (10260, 76097), (10871, 71820), (11172, 69885), (11970, 65226), (13230, 59014), (13965, 55908), (13977, 55860), (14364, 54355), (15530, 50274), (16758, 46590), (17955, 43484), (18620, 41931), (18636, 41895), (21742, 35910), (23295, 33516), (23940, 32613), (25137, 31060), (26460, 29507), (27930, 27954)]