208176780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 192

約数和(自身を含む): 701890560

約数和(自身を除く): 493713780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 59, 60, 62, 70, 84, 93, 105, 118, 124, 140, 155, 177, 186, 210, 217, 236, 271, 295, 310, 354, 372, 413, 420, 434, 465, 542, 590, 620, 651, 708, 813, 826, 868, 885, 930, 1084, 1085, 1180, 1239, 1302, 1355, 1626, 1652, 1770, 1829, 1860, 1897, 2065, 2170, 2478, 2604, 2710, 3252, 3255, 3540, 3658, 3794, 4065, 4130, 4340, 4956, 5420, 5487, 5691, 6195, 6510, 7316, 7588, 8130, 8260, 8401, 9145, 9485, 10974, 11382, 12390, 12803, 13020, 15989, 16260, 16802, 18290, 18970, 21948, 22764, 24780, 25203, 25606, 27435, 28455, 31978, 33604, 36580, 37940, 38409, 42005, 47967, 50406, 51212, 54870, 56910, 58807, 63956, 64015, 76818, 79945, 84010, 95934, 100812, 109740, 111923, 113820, 117614, 126015, 128030, 153636, 159890, 168020, 176421, 191868, 192045, 223846, 235228, 239835, 252030, 256060, 294035, 319780, 335769, 352842, 384090, 447692, 479670, 495659, 504060, 559615, 588070, 671538, 705684, 768180, 882105, 959340, 991318, 1119230, 1176140, 1343076, 1486977, 1678845, 1764210, 1982636, 2238460, 2478295, 2973954, 3357690, 3469613, 3528420, 4956590, 5947908, 6715380, 6939226, 7434885, 9913180, 10408839, 13878452, 14869770, 17348065, 20817678, 29739540, 34696130, 41635356, 52044195, 69392260, 104088390, 208176780]

約数ペア:

[(1, 208176780), (2, 104088390), (3, 69392260), (4, 52044195), (5, 41635356), (6, 34696130), (7, 29739540), (10, 20817678), (12, 17348065), (14, 14869770), (15, 13878452), (20, 10408839), (21, 9913180), (28, 7434885), (30, 6939226), (31, 6715380), (35, 5947908), (42, 4956590), (59, 3528420), (60, 3469613), (62, 3357690), (70, 2973954), (84, 2478295), (93, 2238460), (105, 1982636), (118, 1764210), (124, 1678845), (140, 1486977), (155, 1343076), (177, 1176140), (186, 1119230), (210, 991318), (217, 959340), (236, 882105), (271, 768180), (295, 705684), (310, 671538), (354, 588070), (372, 559615), (413, 504060), (420, 495659), (434, 479670), (465, 447692), (542, 384090), (590, 352842), (620, 335769), (651, 319780), (708, 294035), (813, 256060), (826, 252030), (868, 239835), (885, 235228), (930, 223846), (1084, 192045), (1085, 191868), (1180, 176421), (1239, 168020), (1302, 159890), (1355, 153636), (1626, 128030), (1652, 126015), (1770, 117614), (1829, 113820), (1860, 111923), (1897, 109740), (2065, 100812), (2170, 95934), (2478, 84010), (2604, 79945), (2710, 76818), (3252, 64015), (3255, 63956), (3540, 58807), (3658, 56910), (3794, 54870), (4065, 51212), (4130, 50406), (4340, 47967), (4956, 42005), (5420, 38409), (5487, 37940), (5691, 36580), (6195, 33604), (6510, 31978), (7316, 28455), (7588, 27435), (8130, 25606), (8260, 25203), (8401, 24780), (9145, 22764), (9485, 21948), (10974, 18970), (11382, 18290), (12390, 16802), (12803, 16260), (13020, 15989)]