251665440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1363

約数の個数: 192

約数和(自身を含む): 881943552

約数和(自身を除く): 630278112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 96, 104, 120, 124, 130, 155, 156, 160, 186, 195, 208, 240, 248, 260, 310, 312, 372, 390, 403, 416, 465, 480, 496, 520, 620, 624, 744, 780, 806, 930, 992, 1040, 1209, 1240, 1248, 1301, 1488, 1560, 1612, 1860, 2015, 2080, 2418, 2480, 2602, 2976, 3120, 3224, 3720, 3903, 4030, 4836, 4960, 5204, 6045, 6240, 6448, 6505, 7440, 7806, 8060, 9672, 10408, 12090, 12896, 13010, 14880, 15612, 16120, 16913, 19344, 19515, 20816, 24180, 26020, 31224, 32240, 33826, 38688, 39030, 40331, 41632, 48360, 50739, 52040, 62448, 64480, 67652, 78060, 80662, 84565, 96720, 101478, 104080, 120993, 124896, 135304, 156120, 161324, 169130, 193440, 201655, 202956, 208160, 241986, 253695, 270608, 312240, 322648, 338260, 403310, 405912, 483972, 507390, 524303, 541216, 604965, 624480, 645296, 676520, 806620, 811824, 967944, 1014780, 1048606, 1209930, 1290592, 1353040, 1572909, 1613240, 1623648, 1935888, 2029560, 2097212, 2419860, 2621515, 2706080, 3145818, 3226480, 3871776, 4059120, 4194424, 4839720, 5243030, 6291636, 6452960, 7864545, 8118240, 8388848, 9679440, 10486060, 12583272, 15729090, 16777696, 19358880, 20972120, 25166544, 31458180, 41944240, 50333088, 62916360, 83888480, 125832720, 251665440]

約数ペア:

[(1, 251665440), (2, 125832720), (3, 83888480), (4, 62916360), (5, 50333088), (6, 41944240), (8, 31458180), (10, 25166544), (12, 20972120), (13, 19358880), (15, 16777696), (16, 15729090), (20, 12583272), (24, 10486060), (26, 9679440), (30, 8388848), (31, 8118240), (32, 7864545), (39, 6452960), (40, 6291636), (48, 5243030), (52, 4839720), (60, 4194424), (62, 4059120), (65, 3871776), (78, 3226480), (80, 3145818), (93, 2706080), (96, 2621515), (104, 2419860), (120, 2097212), (124, 2029560), (130, 1935888), (155, 1623648), (156, 1613240), (160, 1572909), (186, 1353040), (195, 1290592), (208, 1209930), (240, 1048606), (248, 1014780), (260, 967944), (310, 811824), (312, 806620), (372, 676520), (390, 645296), (403, 624480), (416, 604965), (465, 541216), (480, 524303), (496, 507390), (520, 483972), (620, 405912), (624, 403310), (744, 338260), (780, 322648), (806, 312240), (930, 270608), (992, 253695), (1040, 241986), (1209, 208160), (1240, 202956), (1248, 201655), (1301, 193440), (1488, 169130), (1560, 161324), (1612, 156120), (1860, 135304), (2015, 124896), (2080, 120993), (2418, 104080), (2480, 101478), (2602, 96720), (2976, 84565), (3120, 80662), (3224, 78060), (3720, 67652), (3903, 64480), (4030, 62448), (4836, 52040), (4960, 50739), (5204, 48360), (6045, 41632), (6240, 40331), (6448, 39030), (6505, 38688), (7440, 33826), (7806, 32240), (8060, 31224), (9672, 26020), (10408, 24180), (12090, 20816), (12896, 19515), (13010, 19344), (14880, 16913), (15612, 16120)]