648972660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{3109}}^1$

素因数の和:3206

約数の個数: 144

約数和(自身を含む): 2144257920

約数和(自身を除く): 1495285260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 355, 420, 426, 490, 497, 588, 710, 735, 852, 980, 994, 1065, 1420, 1470, 1491, 1988, 2130, 2485, 2940, 2982, 3109, 3479, 4260, 4970, 5964, 6218, 6958, 7455, 9327, 9940, 10437, 12436, 13916, 14910, 15545, 17395, 18654, 20874, 21763, 29820, 31090, 34790, 37308, 41748, 43526, 46635, 52185, 62180, 65289, 69580, 87052, 93270, 104370, 108815, 130578, 152341, 186540, 208740, 217630, 220739, 261156, 304682, 326445, 435260, 441478, 457023, 609364, 652890, 662217, 761705, 882956, 914046, 1103695, 1305780, 1324434, 1523410, 1545173, 1828092, 2207390, 2285115, 2648868, 3046820, 3090346, 3311085, 4414780, 4570230, 4635519, 6180692, 6622170, 7725865, 9140460, 9271038, 10816211, 13244340, 15451730, 18542076, 21632422, 23177595, 30903460, 32448633, 43264844, 46355190, 54081055, 64897266, 92710380, 108162110, 129794532, 162243165, 216324220, 324486330, 648972660]

約数ペア:

[(1, 648972660), (2, 324486330), (3, 216324220), (4, 162243165), (5, 129794532), (6, 108162110), (7, 92710380), (10, 64897266), (12, 54081055), (14, 46355190), (15, 43264844), (20, 32448633), (21, 30903460), (28, 23177595), (30, 21632422), (35, 18542076), (42, 15451730), (49, 13244340), (60, 10816211), (70, 9271038), (71, 9140460), (84, 7725865), (98, 6622170), (105, 6180692), (140, 4635519), (142, 4570230), (147, 4414780), (196, 3311085), (210, 3090346), (213, 3046820), (245, 2648868), (284, 2285115), (294, 2207390), (355, 1828092), (420, 1545173), (426, 1523410), (490, 1324434), (497, 1305780), (588, 1103695), (710, 914046), (735, 882956), (852, 761705), (980, 662217), (994, 652890), (1065, 609364), (1420, 457023), (1470, 441478), (1491, 435260), (1988, 326445), (2130, 304682), (2485, 261156), (2940, 220739), (2982, 217630), (3109, 208740), (3479, 186540), (4260, 152341), (4970, 130578), (5964, 108815), (6218, 104370), (6958, 93270), (7455, 87052), (9327, 69580), (9940, 65289), (10437, 62180), (12436, 52185), (13916, 46635), (14910, 43526), (15545, 41748), (17395, 37308), (18654, 34790), (20874, 31090), (21763, 29820)]