749017620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 288

約数和(自身を含む): 2729825280

約数和(自身を除く): 1980807660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 19, 20, 26, 30, 34, 36, 38, 39, 45, 51, 52, 57, 60, 65, 68, 76, 78, 85, 90, 95, 102, 114, 117, 130, 153, 156, 170, 171, 180, 190, 195, 204, 221, 228, 234, 247, 255, 260, 285, 306, 323, 340, 342, 380, 390, 442, 468, 494, 510, 570, 585, 612, 646, 663, 684, 741, 765, 780, 855, 884, 969, 988, 991, 1020, 1105, 1140, 1170, 1235, 1292, 1326, 1482, 1530, 1615, 1710, 1938, 1982, 1989, 2210, 2223, 2340, 2470, 2652, 2907, 2964, 2973, 3060, 3230, 3315, 3420, 3705, 3876, 3964, 3978, 4199, 4420, 4446, 4845, 4940, 4955, 5814, 5946, 6460, 6630, 7410, 7956, 8398, 8892, 8919, 9690, 9910, 9945, 11115, 11628, 11892, 12597, 12883, 13260, 14535, 14820, 14865, 16796, 16847, 17838, 18829, 19380, 19820, 19890, 20995, 22230, 25194, 25766, 29070, 29730, 33694, 35676, 37658, 37791, 38649, 39780, 41990, 44460, 44595, 50388, 50541, 51532, 56487, 58140, 59460, 62985, 64415, 67388, 75316, 75582, 77298, 83980, 84235, 89190, 94145, 101082, 112974, 115947, 125970, 128830, 151164, 151623, 154596, 168470, 169461, 178380, 188290, 188955, 193245, 202164, 219011, 225948, 231894, 244777, 251940, 252705, 257660, 282435, 303246, 320093, 336940, 338922, 376580, 377910, 386490, 438022, 463788, 489554, 505410, 564870, 579735, 606492, 640186, 657033, 677844, 734331, 755820, 758115, 772980, 847305, 876044, 960279, 979108, 1010820, 1095055, 1129740, 1159470, 1223885, 1280372, 1314066, 1468662, 1516230, 1600465, 1694610, 1920558, 1971099, 2190110, 2202993, 2318940, 2447770, 2628132, 2880837, 2937324, 3032460, 3200930, 3285165, 3389220, 3671655, 3841116, 3942198, 4161209, 4380220, 4405986, 4801395, 4895540, 5761674, 6401860, 6570330, 7343310, 7884396, 8322418, 8811972, 9602790, 9855495, 11014965, 11523348, 12483627, 13140660, 14404185, 14686620, 16644836, 19205580, 19710990, 20806045, 22029930, 24967254, 28808370, 37450881, 39421980, 41612090, 44059860, 49934508, 57616740, 62418135, 74901762, 83224180, 124836270, 149803524, 187254405, 249672540, 374508810, 749017620]

約数ペア:

[(1, 749017620), (2, 374508810), (3, 249672540), (4, 187254405), (5, 149803524), (6, 124836270), (9, 83224180), (10, 74901762), (12, 62418135), (13, 57616740), (15, 49934508), (17, 44059860), (18, 41612090), (19, 39421980), (20, 37450881), (26, 28808370), (30, 24967254), (34, 22029930), (36, 20806045), (38, 19710990), (39, 19205580), (45, 16644836), (51, 14686620), (52, 14404185), (57, 13140660), (60, 12483627), (65, 11523348), (68, 11014965), (76, 9855495), (78, 9602790), (85, 8811972), (90, 8322418), (95, 7884396), (102, 7343310), (114, 6570330), (117, 6401860), (130, 5761674), (153, 4895540), (156, 4801395), (170, 4405986), (171, 4380220), (180, 4161209), (190, 3942198), (195, 3841116), (204, 3671655), (221, 3389220), (228, 3285165), (234, 3200930), (247, 3032460), (255, 2937324), (260, 2880837), (285, 2628132), (306, 2447770), (323, 2318940), (340, 2202993), (342, 2190110), (380, 1971099), (390, 1920558), (442, 1694610), (468, 1600465), (494, 1516230), (510, 1468662), (570, 1314066), (585, 1280372), (612, 1223885), (646, 1159470), (663, 1129740), (684, 1095055), (741, 1010820), (765, 979108), (780, 960279), (855, 876044), (884, 847305), (969, 772980), (988, 758115), (991, 755820), (1020, 734331), (1105, 677844), (1140, 657033), (1170, 640186), (1235, 606492), (1292, 579735), (1326, 564870), (1482, 505410), (1530, 489554), (1615, 463788), (1710, 438022), (1938, 386490), (1982, 377910), (1989, 376580), (2210, 338922), (2223, 336940), (2340, 320093), (2470, 303246), (2652, 282435), (2907, 257660), (2964, 252705), (2973, 251940), (3060, 244777), (3230, 231894), (3315, 225948), (3420, 219011), (3705, 202164), (3876, 193245), (3964, 188955), (3978, 188290), (4199, 178380), (4420, 169461), (4446, 168470), (4845, 154596), (4940, 151623), (4955, 151164), (5814, 128830), (5946, 125970), (6460, 115947), (6630, 112974), (7410, 101082), (7956, 94145), (8398, 89190), (8892, 84235), (8919, 83980), (9690, 77298), (9910, 75582), (9945, 75316), (11115, 67388), (11628, 64415), (11892, 62985), (12597, 59460), (12883, 58140), (13260, 56487), (14535, 51532), (14820, 50541), (14865, 50388), (16796, 44595), (16847, 44460), (17838, 41990), (18829, 39780), (19380, 38649), (19820, 37791), (19890, 37658), (20995, 35676), (22230, 33694), (25194, 29730), (25766, 29070)]