215231940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:379

約数の個数: 288

約数和(自身を含む): 832156416

約数和(自身を除く): 616924476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 53, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 106, 110, 126, 132, 140, 154, 159, 165, 180, 198, 210, 212, 220, 231, 252, 265, 293, 308, 315, 318, 330, 371, 385, 396, 420, 462, 477, 495, 530, 583, 586, 630, 636, 660, 693, 742, 770, 795, 879, 924, 954, 990, 1060, 1113, 1155, 1166, 1172, 1260, 1386, 1465, 1484, 1540, 1590, 1749, 1758, 1855, 1908, 1980, 2051, 2226, 2310, 2332, 2385, 2637, 2772, 2915, 2930, 3180, 3223, 3339, 3465, 3498, 3516, 3710, 4081, 4102, 4395, 4452, 4620, 4770, 5247, 5274, 5565, 5830, 5860, 6153, 6446, 6678, 6930, 6996, 7420, 8162, 8204, 8745, 8790, 9540, 9669, 10255, 10494, 10548, 11130, 11660, 12243, 12306, 12892, 13185, 13356, 13860, 15529, 16115, 16324, 16695, 17490, 17580, 18459, 19338, 20405, 20510, 20988, 22260, 22561, 24486, 24612, 26235, 26370, 29007, 30765, 31058, 32230, 33390, 34980, 36729, 36918, 38676, 40810, 41020, 45122, 46587, 48345, 48972, 52470, 52740, 58014, 61215, 61530, 62116, 64460, 66780, 67683, 73458, 73836, 77645, 81620, 90244, 92295, 93174, 96690, 104940, 108703, 112805, 116028, 122430, 123060, 135366, 139761, 145035, 146916, 155290, 170819, 183645, 184590, 186348, 193380, 203049, 217406, 225610, 232935, 244860, 270732, 279522, 290070, 310580, 326109, 338415, 341638, 367290, 369180, 406098, 434812, 451220, 465870, 512457, 543515, 559044, 580140, 652218, 676830, 683276, 698805, 734580, 812196, 854095, 931740, 978327, 1015245, 1024914, 1087030, 1195733, 1304436, 1353660, 1397610, 1537371, 1630545, 1708190, 1956654, 2030490, 2049828, 2174060, 2391466, 2562285, 2795220, 3074742, 3261090, 3416380, 3587199, 3913308, 4060980, 4782932, 4891635, 5124570, 5978665, 6149484, 6522180, 7174398, 7686855, 9783270, 10249140, 10761597, 11957330, 14348796, 15373710, 17935995, 19566540, 21523194, 23914660, 30747420, 35871990, 43046388, 53807985, 71743980, 107615970, 215231940]

約数ペア:

[(1, 215231940), (2, 107615970), (3, 71743980), (4, 53807985), (5, 43046388), (6, 35871990), (7, 30747420), (9, 23914660), (10, 21523194), (11, 19566540), (12, 17935995), (14, 15373710), (15, 14348796), (18, 11957330), (20, 10761597), (21, 10249140), (22, 9783270), (28, 7686855), (30, 7174398), (33, 6522180), (35, 6149484), (36, 5978665), (42, 5124570), (44, 4891635), (45, 4782932), (53, 4060980), (55, 3913308), (60, 3587199), (63, 3416380), (66, 3261090), (70, 3074742), (77, 2795220), (84, 2562285), (90, 2391466), (99, 2174060), (105, 2049828), (106, 2030490), (110, 1956654), (126, 1708190), (132, 1630545), (140, 1537371), (154, 1397610), (159, 1353660), (165, 1304436), (180, 1195733), (198, 1087030), (210, 1024914), (212, 1015245), (220, 978327), (231, 931740), (252, 854095), (265, 812196), (293, 734580), (308, 698805), (315, 683276), (318, 676830), (330, 652218), (371, 580140), (385, 559044), (396, 543515), (420, 512457), (462, 465870), (477, 451220), (495, 434812), (530, 406098), (583, 369180), (586, 367290), (630, 341638), (636, 338415), (660, 326109), (693, 310580), (742, 290070), (770, 279522), (795, 270732), (879, 244860), (924, 232935), (954, 225610), (990, 217406), (1060, 203049), (1113, 193380), (1155, 186348), (1166, 184590), (1172, 183645), (1260, 170819), (1386, 155290), (1465, 146916), (1484, 145035), (1540, 139761), (1590, 135366), (1749, 123060), (1758, 122430), (1855, 116028), (1908, 112805), (1980, 108703), (2051, 104940), (2226, 96690), (2310, 93174), (2332, 92295), (2385, 90244), (2637, 81620), (2772, 77645), (2915, 73836), (2930, 73458), (3180, 67683), (3223, 66780), (3339, 64460), (3465, 62116), (3498, 61530), (3516, 61215), (3710, 58014), (4081, 52740), (4102, 52470), (4395, 48972), (4452, 48345), (4620, 46587), (4770, 45122), (5247, 41020), (5274, 40810), (5565, 38676), (5830, 36918), (5860, 36729), (6153, 34980), (6446, 33390), (6678, 32230), (6930, 31058), (6996, 30765), (7420, 29007), (8162, 26370), (8204, 26235), (8745, 24612), (8790, 24486), (9540, 22561), (9669, 22260), (10255, 20988), (10494, 20510), (10548, 20405), (11130, 19338), (11660, 18459), (12243, 17580), (12306, 17490), (12892, 16695), (13185, 16324), (13356, 16115), (13860, 15529)]