157687920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1040

約数の個数: 240

約数和(自身を含む): 604461312

約数和(自身を除く): 446773392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 624, 663, 680, 720, 765, 780, 816, 884, 936, 991, 1020, 1040, 1105, 1170, 1224, 1326, 1360, 1530, 1560, 1768, 1872, 1982, 1989, 2040, 2210, 2340, 2448, 2652, 2973, 3060, 3120, 3315, 3536, 3964, 3978, 4080, 4420, 4680, 4955, 5304, 5946, 6120, 6630, 7928, 7956, 8840, 8919, 9360, 9910, 9945, 10608, 11892, 12240, 12883, 13260, 14865, 15856, 15912, 16847, 17680, 17838, 19820, 19890, 23784, 25766, 26520, 29730, 31824, 33694, 35676, 38649, 39640, 39780, 44595, 47568, 50541, 51532, 53040, 59460, 64415, 67388, 71352, 77298, 79280, 79560, 84235, 89190, 101082, 103064, 115947, 118920, 128830, 134776, 142704, 151623, 154596, 159120, 168470, 178380, 193245, 202164, 206128, 219011, 231894, 237840, 252705, 257660, 269552, 303246, 309192, 336940, 356760, 386490, 404328, 438022, 463788, 505410, 515320, 579735, 606492, 618384, 657033, 673880, 713520, 758115, 772980, 808656, 876044, 927576, 1010820, 1030640, 1095055, 1159470, 1212984, 1314066, 1347760, 1516230, 1545960, 1752088, 1855152, 1971099, 2021640, 2190110, 2318940, 2425968, 2628132, 3032460, 3091920, 3285165, 3504176, 3942198, 4043280, 4380220, 4637880, 5256264, 6064920, 6570330, 7884396, 8760440, 9275760, 9855495, 10512528, 12129840, 13140660, 15768792, 17520880, 19710990, 26281320, 31537584, 39421980, 52562640, 78843960, 157687920]

約数ペア:

[(1, 157687920), (2, 78843960), (3, 52562640), (4, 39421980), (5, 31537584), (6, 26281320), (8, 19710990), (9, 17520880), (10, 15768792), (12, 13140660), (13, 12129840), (15, 10512528), (16, 9855495), (17, 9275760), (18, 8760440), (20, 7884396), (24, 6570330), (26, 6064920), (30, 5256264), (34, 4637880), (36, 4380220), (39, 4043280), (40, 3942198), (45, 3504176), (48, 3285165), (51, 3091920), (52, 3032460), (60, 2628132), (65, 2425968), (68, 2318940), (72, 2190110), (78, 2021640), (80, 1971099), (85, 1855152), (90, 1752088), (102, 1545960), (104, 1516230), (117, 1347760), (120, 1314066), (130, 1212984), (136, 1159470), (144, 1095055), (153, 1030640), (156, 1010820), (170, 927576), (180, 876044), (195, 808656), (204, 772980), (208, 758115), (221, 713520), (234, 673880), (240, 657033), (255, 618384), (260, 606492), (272, 579735), (306, 515320), (312, 505410), (340, 463788), (360, 438022), (390, 404328), (408, 386490), (442, 356760), (468, 336940), (510, 309192), (520, 303246), (585, 269552), (612, 257660), (624, 252705), (663, 237840), (680, 231894), (720, 219011), (765, 206128), (780, 202164), (816, 193245), (884, 178380), (936, 168470), (991, 159120), (1020, 154596), (1040, 151623), (1105, 142704), (1170, 134776), (1224, 128830), (1326, 118920), (1360, 115947), (1530, 103064), (1560, 101082), (1768, 89190), (1872, 84235), (1982, 79560), (1989, 79280), (2040, 77298), (2210, 71352), (2340, 67388), (2448, 64415), (2652, 59460), (2973, 53040), (3060, 51532), (3120, 50541), (3315, 47568), (3536, 44595), (3964, 39780), (3978, 39640), (4080, 38649), (4420, 35676), (4680, 33694), (4955, 31824), (5304, 29730), (5946, 26520), (6120, 25766), (6630, 23784), (7928, 19890), (7956, 19820), (8840, 17838), (8919, 17680), (9360, 16847), (9910, 15912), (9945, 15856), (10608, 14865), (11892, 13260), (12240, 12883)]