123980780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 192

約数和(自身を含む): 348364800

約数和(自身を除く): 224384020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 53, 55, 62, 70, 77, 98, 106, 110, 124, 140, 154, 155, 196, 212, 217, 220, 245, 265, 308, 310, 341, 343, 371, 385, 434, 490, 530, 539, 583, 620, 682, 686, 742, 770, 868, 980, 1060, 1078, 1085, 1166, 1364, 1372, 1484, 1519, 1540, 1643, 1705, 1715, 1855, 2156, 2170, 2332, 2387, 2597, 2695, 2915, 3038, 3286, 3410, 3430, 3710, 3773, 4081, 4340, 4774, 5194, 5390, 5830, 6076, 6572, 6820, 6860, 7420, 7546, 7595, 8162, 8215, 9548, 10388, 10633, 10780, 11501, 11660, 11935, 12985, 15092, 15190, 16324, 16430, 16709, 18073, 18179, 18865, 20405, 21266, 23002, 23870, 25970, 28567, 30380, 32860, 33418, 36146, 36358, 37730, 40810, 42532, 46004, 47740, 51940, 53165, 57134, 57505, 66836, 72292, 72716, 75460, 80507, 81620, 83545, 90365, 90895, 106330, 114268, 115010, 116963, 126511, 142835, 161014, 167090, 180730, 181790, 199969, 212660, 230020, 233926, 253022, 285670, 322028, 334180, 361460, 363580, 399938, 402535, 467852, 506044, 563549, 571340, 584815, 632555, 799876, 805070, 885577, 999845, 1127098, 1169630, 1265110, 1610140, 1771154, 1999690, 2254196, 2339260, 2530220, 2817745, 3542308, 3999380, 4427885, 5635490, 6199039, 8855770, 11270980, 12398078, 17711540, 24796156, 30995195, 61990390, 123980780]

約数ペア:

[(1, 123980780), (2, 61990390), (4, 30995195), (5, 24796156), (7, 17711540), (10, 12398078), (11, 11270980), (14, 8855770), (20, 6199039), (22, 5635490), (28, 4427885), (31, 3999380), (35, 3542308), (44, 2817745), (49, 2530220), (53, 2339260), (55, 2254196), (62, 1999690), (70, 1771154), (77, 1610140), (98, 1265110), (106, 1169630), (110, 1127098), (124, 999845), (140, 885577), (154, 805070), (155, 799876), (196, 632555), (212, 584815), (217, 571340), (220, 563549), (245, 506044), (265, 467852), (308, 402535), (310, 399938), (341, 363580), (343, 361460), (371, 334180), (385, 322028), (434, 285670), (490, 253022), (530, 233926), (539, 230020), (583, 212660), (620, 199969), (682, 181790), (686, 180730), (742, 167090), (770, 161014), (868, 142835), (980, 126511), (1060, 116963), (1078, 115010), (1085, 114268), (1166, 106330), (1364, 90895), (1372, 90365), (1484, 83545), (1519, 81620), (1540, 80507), (1643, 75460), (1705, 72716), (1715, 72292), (1855, 66836), (2156, 57505), (2170, 57134), (2332, 53165), (2387, 51940), (2597, 47740), (2695, 46004), (2915, 42532), (3038, 40810), (3286, 37730), (3410, 36358), (3430, 36146), (3710, 33418), (3773, 32860), (4081, 30380), (4340, 28567), (4774, 25970), (5194, 23870), (5390, 23002), (5830, 21266), (6076, 20405), (6572, 18865), (6820, 18179), (6860, 18073), (7420, 16709), (7546, 16430), (7595, 16324), (8162, 15190), (8215, 15092), (9548, 12985), (10388, 11935), (10633, 11660), (10780, 11501)]