257459040

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1062

約数の個数: 192

約数和(自身を含む): 916816320

約数和(自身を除く): 659357280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 72, 80, 90, 96, 108, 120, 122, 135, 144, 160, 180, 183, 216, 240, 244, 270, 288, 305, 360, 366, 432, 480, 488, 540, 549, 610, 720, 732, 864, 915, 976, 977, 1080, 1098, 1220, 1440, 1464, 1647, 1830, 1952, 1954, 2160, 2196, 2440, 2745, 2928, 2931, 3294, 3660, 3908, 4320, 4392, 4880, 4885, 5490, 5856, 5862, 6588, 7320, 7816, 8235, 8784, 8793, 9760, 9770, 10980, 11724, 13176, 14640, 14655, 15632, 16470, 17568, 17586, 19540, 21960, 23448, 26352, 26379, 29280, 29310, 31264, 32940, 35172, 39080, 43920, 43965, 46896, 52704, 52758, 58620, 59597, 65880, 70344, 78160, 87840, 87930, 93792, 105516, 117240, 119194, 131760, 131895, 140688, 156320, 175860, 178791, 211032, 234480, 238388, 263520, 263790, 281376, 297985, 351720, 357582, 422064, 468960, 476776, 527580, 536373, 595970, 703440, 715164, 844128, 893955, 953552, 1055160, 1072746, 1191940, 1406880, 1430328, 1609119, 1787910, 1907104, 2110320, 2145492, 2383880, 2681865, 2860656, 3218238, 3575820, 4220640, 4290984, 4767760, 5363730, 5721312, 6436476, 7151640, 8045595, 8581968, 9535520, 10727460, 12872952, 14303280, 16091190, 17163936, 21454920, 25745904, 28606560, 32182380, 42909840, 51491808, 64364760, 85819680, 128729520, 257459040]

約数ペア:

[(1, 257459040), (2, 128729520), (3, 85819680), (4, 64364760), (5, 51491808), (6, 42909840), (8, 32182380), (9, 28606560), (10, 25745904), (12, 21454920), (15, 17163936), (16, 16091190), (18, 14303280), (20, 12872952), (24, 10727460), (27, 9535520), (30, 8581968), (32, 8045595), (36, 7151640), (40, 6436476), (45, 5721312), (48, 5363730), (54, 4767760), (60, 4290984), (61, 4220640), (72, 3575820), (80, 3218238), (90, 2860656), (96, 2681865), (108, 2383880), (120, 2145492), (122, 2110320), (135, 1907104), (144, 1787910), (160, 1609119), (180, 1430328), (183, 1406880), (216, 1191940), (240, 1072746), (244, 1055160), (270, 953552), (288, 893955), (305, 844128), (360, 715164), (366, 703440), (432, 595970), (480, 536373), (488, 527580), (540, 476776), (549, 468960), (610, 422064), (720, 357582), (732, 351720), (864, 297985), (915, 281376), (976, 263790), (977, 263520), (1080, 238388), (1098, 234480), (1220, 211032), (1440, 178791), (1464, 175860), (1647, 156320), (1830, 140688), (1952, 131895), (1954, 131760), (2160, 119194), (2196, 117240), (2440, 105516), (2745, 93792), (2928, 87930), (2931, 87840), (3294, 78160), (3660, 70344), (3908, 65880), (4320, 59597), (4392, 58620), (4880, 52758), (4885, 52704), (5490, 46896), (5856, 43965), (5862, 43920), (6588, 39080), (7320, 35172), (7816, 32940), (8235, 31264), (8784, 29310), (8793, 29280), (9760, 26379), (9770, 26352), (10980, 23448), (11724, 21960), (13176, 19540), (14640, 17586), (14655, 17568), (15632, 16470)]