177996420

素因数分解:

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

素因数の和:101

約数の個数: 288

約数和(自身を含む): 667296000

約数和(自身を除く): 489299580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 49, 54, 60, 62, 63, 70, 84, 90, 93, 98, 105, 108, 124, 126, 135, 140, 147, 155, 180, 186, 189, 196, 210, 217, 245, 252, 270, 279, 294, 310, 315, 343, 372, 378, 420, 434, 441, 465, 490, 540, 558, 588, 620, 630, 651, 686, 735, 756, 837, 868, 882, 930, 945, 961, 980, 1029, 1085, 1116, 1260, 1302, 1323, 1372, 1395, 1470, 1519, 1674, 1715, 1764, 1860, 1890, 1922, 1953, 2058, 2170, 2205, 2604, 2646, 2790, 2883, 2940, 3038, 3087, 3255, 3348, 3430, 3780, 3844, 3906, 4116, 4185, 4340, 4410, 4557, 4805, 5145, 5292, 5580, 5766, 5859, 6076, 6174, 6510, 6615, 6727, 6860, 7595, 7812, 8370, 8649, 8820, 9114, 9261, 9610, 9765, 10290, 10633, 11532, 11718, 12348, 13020, 13230, 13454, 13671, 14415, 15190, 15435, 16740, 17298, 18228, 18522, 19220, 19530, 20181, 20580, 21266, 22785, 23436, 25947, 26460, 26908, 27342, 28830, 29295, 30380, 30870, 31899, 33635, 34596, 37044, 39060, 40362, 41013, 42532, 43245, 45570, 46305, 47089, 51894, 53165, 54684, 57660, 58590, 60543, 61740, 63798, 67270, 68355, 80724, 82026, 86490, 91140, 92610, 94178, 95697, 100905, 103788, 106330, 117180, 121086, 127596, 129735, 134540, 136710, 141267, 159495, 164052, 172980, 181629, 185220, 188356, 191394, 201810, 205065, 212660, 235445, 242172, 259470, 273420, 282534, 287091, 302715, 318990, 329623, 363258, 382788, 403620, 410130, 423801, 470890, 478485, 518940, 565068, 574182, 605430, 637980, 659246, 706335, 726516, 820260, 847602, 908145, 941780, 956970, 988869, 1148364, 1210860, 1271403, 1318492, 1412670, 1435455, 1648115, 1695204, 1816290, 1913940, 1977738, 2119005, 2542806, 2825340, 2870910, 2966607, 3296230, 3632580, 3955476, 4238010, 4944345, 5085612, 5741820, 5933214, 6357015, 6592460, 8476020, 8899821, 9888690, 11866428, 12714030, 14833035, 17799642, 19777380, 25428060, 29666070, 35599284, 44499105, 59332140, 88998210, 177996420]

約数ペア:

[(1, 177996420), (2, 88998210), (3, 59332140), (4, 44499105), (5, 35599284), (6, 29666070), (7, 25428060), (9, 19777380), (10, 17799642), (12, 14833035), (14, 12714030), (15, 11866428), (18, 9888690), (20, 8899821), (21, 8476020), (27, 6592460), (28, 6357015), (30, 5933214), (31, 5741820), (35, 5085612), (36, 4944345), (42, 4238010), (45, 3955476), (49, 3632580), (54, 3296230), (60, 2966607), (62, 2870910), (63, 2825340), (70, 2542806), (84, 2119005), (90, 1977738), (93, 1913940), (98, 1816290), (105, 1695204), (108, 1648115), (124, 1435455), (126, 1412670), (135, 1318492), (140, 1271403), (147, 1210860), (155, 1148364), (180, 988869), (186, 956970), (189, 941780), (196, 908145), (210, 847602), (217, 820260), (245, 726516), (252, 706335), (270, 659246), (279, 637980), (294, 605430), (310, 574182), (315, 565068), (343, 518940), (372, 478485), (378, 470890), (420, 423801), (434, 410130), (441, 403620), (465, 382788), (490, 363258), (540, 329623), (558, 318990), (588, 302715), (620, 287091), (630, 282534), (651, 273420), (686, 259470), (735, 242172), (756, 235445), (837, 212660), (868, 205065), (882, 201810), (930, 191394), (945, 188356), (961, 185220), (980, 181629), (1029, 172980), (1085, 164052), (1116, 159495), (1260, 141267), (1302, 136710), (1323, 134540), (1372, 129735), (1395, 127596), (1470, 121086), (1519, 117180), (1674, 106330), (1715, 103788), (1764, 100905), (1860, 95697), (1890, 94178), (1922, 92610), (1953, 91140), (2058, 86490), (2170, 82026), (2205, 80724), (2604, 68355), (2646, 67270), (2790, 63798), (2883, 61740), (2940, 60543), (3038, 58590), (3087, 57660), (3255, 54684), (3348, 53165), (3430, 51894), (3780, 47089), (3844, 46305), (3906, 45570), (4116, 43245), (4185, 42532), (4340, 41013), (4410, 40362), (4557, 39060), (4805, 37044), (5145, 34596), (5292, 33635), (5580, 31899), (5766, 30870), (5859, 30380), (6076, 29295), (6174, 28830), (6510, 27342), (6615, 26908), (6727, 26460), (6860, 25947), (7595, 23436), (7812, 22785), (8370, 21266), (8649, 20580), (8820, 20181), (9114, 19530), (9261, 19220), (9610, 18522), (9765, 18228), (10290, 17298), (10633, 16740), (11532, 15435), (11718, 15190), (12348, 14415), (13020, 13671), (13230, 13454)]