78843960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1038

約数の個数: 192

約数和(自身を含む): 292481280

約数和(自身を除く): 213637320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 884, 936, 991, 1020, 1105, 1170, 1224, 1326, 1530, 1560, 1768, 1982, 1989, 2040, 2210, 2340, 2652, 2973, 3060, 3315, 3964, 3978, 4420, 4680, 4955, 5304, 5946, 6120, 6630, 7928, 7956, 8840, 8919, 9910, 9945, 11892, 12883, 13260, 14865, 15912, 16847, 17838, 19820, 19890, 23784, 25766, 26520, 29730, 33694, 35676, 38649, 39640, 39780, 44595, 50541, 51532, 59460, 64415, 67388, 71352, 77298, 79560, 84235, 89190, 101082, 103064, 115947, 118920, 128830, 134776, 151623, 154596, 168470, 178380, 193245, 202164, 219011, 231894, 252705, 257660, 303246, 309192, 336940, 356760, 386490, 404328, 438022, 463788, 505410, 515320, 579735, 606492, 657033, 673880, 758115, 772980, 876044, 927576, 1010820, 1095055, 1159470, 1212984, 1314066, 1516230, 1545960, 1752088, 1971099, 2021640, 2190110, 2318940, 2628132, 3032460, 3285165, 3942198, 4380220, 4637880, 5256264, 6064920, 6570330, 7884396, 8760440, 9855495, 13140660, 15768792, 19710990, 26281320, 39421980, 78843960]

約数ペア:

[(1, 78843960), (2, 39421980), (3, 26281320), (4, 19710990), (5, 15768792), (6, 13140660), (8, 9855495), (9, 8760440), (10, 7884396), (12, 6570330), (13, 6064920), (15, 5256264), (17, 4637880), (18, 4380220), (20, 3942198), (24, 3285165), (26, 3032460), (30, 2628132), (34, 2318940), (36, 2190110), (39, 2021640), (40, 1971099), (45, 1752088), (51, 1545960), (52, 1516230), (60, 1314066), (65, 1212984), (68, 1159470), (72, 1095055), (78, 1010820), (85, 927576), (90, 876044), (102, 772980), (104, 758115), (117, 673880), (120, 657033), (130, 606492), (136, 579735), (153, 515320), (156, 505410), (170, 463788), (180, 438022), (195, 404328), (204, 386490), (221, 356760), (234, 336940), (255, 309192), (260, 303246), (306, 257660), (312, 252705), (340, 231894), (360, 219011), (390, 202164), (408, 193245), (442, 178380), (468, 168470), (510, 154596), (520, 151623), (585, 134776), (612, 128830), (663, 118920), (680, 115947), (765, 103064), (780, 101082), (884, 89190), (936, 84235), (991, 79560), (1020, 77298), (1105, 71352), (1170, 67388), (1224, 64415), (1326, 59460), (1530, 51532), (1560, 50541), (1768, 44595), (1982, 39780), (1989, 39640), (2040, 38649), (2210, 35676), (2340, 33694), (2652, 29730), (2973, 26520), (3060, 25766), (3315, 23784), (3964, 19890), (3978, 19820), (4420, 17838), (4680, 16847), (4955, 15912), (5304, 14865), (5946, 13260), (6120, 12883), (6630, 11892), (7928, 9945), (7956, 9910), (8840, 8919)]