131399820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1423}}^1$

素因数の和:1466

約数の個数: 144

約数和(自身を含む): 435402240

約数和(自身を除く): 304002420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 972, 1026, 1140, 1215, 1423, 1539, 1620, 1710, 2052, 2430, 2565, 2846, 3078, 3420, 4269, 4617, 4860, 5130, 5692, 6156, 7115, 7695, 8538, 9234, 10260, 12807, 14230, 15390, 17076, 18468, 21345, 23085, 25614, 27037, 28460, 30780, 38421, 42690, 46170, 51228, 54074, 64035, 76842, 81111, 85380, 92340, 108148, 115263, 128070, 135185, 153684, 162222, 192105, 230526, 243333, 256140, 270370, 324444, 345789, 384210, 405555, 461052, 486666, 540740, 576315, 691578, 729999, 768420, 811110, 973332, 1152630, 1216665, 1383156, 1459998, 1622220, 1728945, 2189997, 2305260, 2433330, 2919996, 3457890, 3649995, 4379994, 4866660, 6569991, 6915780, 7299990, 8759988, 10949985, 13139982, 14599980, 21899970, 26279964, 32849955, 43799940, 65699910, 131399820]

約数ペア:

[(1, 131399820), (2, 65699910), (3, 43799940), (4, 32849955), (5, 26279964), (6, 21899970), (9, 14599980), (10, 13139982), (12, 10949985), (15, 8759988), (18, 7299990), (19, 6915780), (20, 6569991), (27, 4866660), (30, 4379994), (36, 3649995), (38, 3457890), (45, 2919996), (54, 2433330), (57, 2305260), (60, 2189997), (76, 1728945), (81, 1622220), (90, 1459998), (95, 1383156), (108, 1216665), (114, 1152630), (135, 973332), (162, 811110), (171, 768420), (180, 729999), (190, 691578), (228, 576315), (243, 540740), (270, 486666), (285, 461052), (324, 405555), (342, 384210), (380, 345789), (405, 324444), (486, 270370), (513, 256140), (540, 243333), (570, 230526), (684, 192105), (810, 162222), (855, 153684), (972, 135185), (1026, 128070), (1140, 115263), (1215, 108148), (1423, 92340), (1539, 85380), (1620, 81111), (1710, 76842), (2052, 64035), (2430, 54074), (2565, 51228), (2846, 46170), (3078, 42690), (3420, 38421), (4269, 30780), (4617, 28460), (4860, 27037), (5130, 25614), (5692, 23085), (6156, 21345), (7115, 18468), (7695, 17076), (8538, 15390), (9234, 14230), (10260, 12807)]