247961560

素因数分解:

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

素因数の和:127

約数の個数: 256

約数和(自身を含む): 746496000

約数和(自身を除く): 498534440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 49, 53, 55, 56, 62, 70, 77, 88, 98, 106, 110, 124, 140, 154, 155, 196, 212, 217, 220, 245, 248, 265, 280, 308, 310, 341, 343, 371, 385, 392, 424, 434, 440, 490, 530, 539, 583, 616, 620, 682, 686, 742, 770, 868, 980, 1060, 1078, 1085, 1166, 1240, 1364, 1372, 1484, 1519, 1540, 1643, 1705, 1715, 1736, 1855, 1960, 2120, 2156, 2170, 2332, 2387, 2597, 2695, 2728, 2744, 2915, 2968, 3038, 3080, 3286, 3410, 3430, 3710, 3773, 4081, 4312, 4340, 4664, 4774, 5194, 5390, 5830, 6076, 6572, 6820, 6860, 7420, 7546, 7595, 8162, 8215, 8680, 9548, 10388, 10633, 10780, 11501, 11660, 11935, 12152, 12985, 13144, 13640, 13720, 14840, 15092, 15190, 16324, 16430, 16709, 18073, 18179, 18865, 19096, 20405, 20776, 21266, 21560, 23002, 23320, 23870, 25970, 28567, 30184, 30380, 32648, 32860, 33418, 36146, 36358, 37730, 40810, 42532, 46004, 47740, 51940, 53165, 57134, 57505, 60760, 65720, 66836, 72292, 72716, 75460, 80507, 81620, 83545, 85064, 90365, 90895, 92008, 95480, 103880, 106330, 114268, 115010, 116963, 126511, 133672, 142835, 144584, 145432, 150920, 161014, 163240, 167090, 180730, 181790, 199969, 212660, 228536, 230020, 233926, 253022, 285670, 322028, 334180, 361460, 363580, 399938, 402535, 425320, 460040, 467852, 506044, 563549, 571340, 584815, 632555, 644056, 668360, 722920, 727160, 799876, 805070, 885577, 935704, 999845, 1012088, 1127098, 1142680, 1169630, 1265110, 1599752, 1610140, 1771154, 1999690, 2254196, 2339260, 2530220, 2817745, 3220280, 3542308, 3999380, 4427885, 4508392, 4678520, 5060440, 5635490, 6199039, 7084616, 7998760, 8855770, 11270980, 12398078, 17711540, 22541960, 24796156, 30995195, 35423080, 49592312, 61990390, 123980780, 247961560]

約数ペア:

[(1, 247961560), (2, 123980780), (4, 61990390), (5, 49592312), (7, 35423080), (8, 30995195), (10, 24796156), (11, 22541960), (14, 17711540), (20, 12398078), (22, 11270980), (28, 8855770), (31, 7998760), (35, 7084616), (40, 6199039), (44, 5635490), (49, 5060440), (53, 4678520), (55, 4508392), (56, 4427885), (62, 3999380), (70, 3542308), (77, 3220280), (88, 2817745), (98, 2530220), (106, 2339260), (110, 2254196), (124, 1999690), (140, 1771154), (154, 1610140), (155, 1599752), (196, 1265110), (212, 1169630), (217, 1142680), (220, 1127098), (245, 1012088), (248, 999845), (265, 935704), (280, 885577), (308, 805070), (310, 799876), (341, 727160), (343, 722920), (371, 668360), (385, 644056), (392, 632555), (424, 584815), (434, 571340), (440, 563549), (490, 506044), (530, 467852), (539, 460040), (583, 425320), (616, 402535), (620, 399938), (682, 363580), (686, 361460), (742, 334180), (770, 322028), (868, 285670), (980, 253022), (1060, 233926), (1078, 230020), (1085, 228536), (1166, 212660), (1240, 199969), (1364, 181790), (1372, 180730), (1484, 167090), (1519, 163240), (1540, 161014), (1643, 150920), (1705, 145432), (1715, 144584), (1736, 142835), (1855, 133672), (1960, 126511), (2120, 116963), (2156, 115010), (2170, 114268), (2332, 106330), (2387, 103880), (2597, 95480), (2695, 92008), (2728, 90895), (2744, 90365), (2915, 85064), (2968, 83545), (3038, 81620), (3080, 80507), (3286, 75460), (3410, 72716), (3430, 72292), (3710, 66836), (3773, 65720), (4081, 60760), (4312, 57505), (4340, 57134), (4664, 53165), (4774, 51940), (5194, 47740), (5390, 46004), (5830, 42532), (6076, 40810), (6572, 37730), (6820, 36358), (6860, 36146), (7420, 33418), (7546, 32860), (7595, 32648), (8162, 30380), (8215, 30184), (8680, 28567), (9548, 25970), (10388, 23870), (10633, 23320), (10780, 23002), (11501, 21560), (11660, 21266), (11935, 20776), (12152, 20405), (12985, 19096), (13144, 18865), (13640, 18179), (13720, 18073), (14840, 16709), (15092, 16430), (15190, 16324)]