245497680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:714

約数の個数: 240

約数和(自身を含む): 902513664

約数和(自身を除く): 657015984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 48, 51, 60, 62, 68, 72, 80, 85, 90, 93, 102, 120, 124, 136, 144, 153, 155, 170, 180, 186, 204, 240, 248, 255, 272, 279, 306, 310, 340, 360, 372, 408, 465, 496, 510, 527, 558, 612, 620, 647, 680, 720, 744, 765, 816, 930, 1020, 1054, 1116, 1224, 1240, 1294, 1360, 1395, 1488, 1530, 1581, 1860, 1941, 2040, 2108, 2232, 2448, 2480, 2588, 2635, 2790, 3060, 3162, 3235, 3720, 3882, 4080, 4216, 4464, 4743, 5176, 5270, 5580, 5823, 6120, 6324, 6470, 7440, 7764, 7905, 8432, 9486, 9705, 10352, 10540, 10999, 11160, 11646, 12240, 12648, 12940, 15528, 15810, 18972, 19410, 20057, 21080, 21998, 22320, 23292, 23715, 25296, 25880, 29115, 31056, 31620, 32997, 37944, 38820, 40114, 42160, 43996, 46584, 47430, 51760, 54995, 58230, 60171, 63240, 65994, 75888, 77640, 80228, 87992, 93168, 94860, 98991, 100285, 109990, 116460, 120342, 126480, 131988, 155280, 160456, 164985, 175984, 180513, 189720, 197982, 200570, 219980, 232920, 240684, 263976, 300855, 320912, 329970, 340969, 361026, 379440, 395964, 401140, 439960, 465840, 481368, 494955, 527952, 601710, 659940, 681938, 722052, 791928, 802280, 879920, 902565, 962736, 989910, 1022907, 1203420, 1319880, 1363876, 1444104, 1583856, 1604560, 1704845, 1805130, 1979820, 2045814, 2406840, 2639760, 2727752, 2888208, 3068721, 3409690, 3610260, 3959640, 4091628, 4813680, 5114535, 5455504, 6137442, 6819380, 7220520, 7919280, 8183256, 10229070, 12274884, 13638760, 14441040, 15343605, 16366512, 20458140, 24549768, 27277520, 30687210, 40916280, 49099536, 61374420, 81832560, 122748840, 245497680]

約数ペア:

[(1, 245497680), (2, 122748840), (3, 81832560), (4, 61374420), (5, 49099536), (6, 40916280), (8, 30687210), (9, 27277520), (10, 24549768), (12, 20458140), (15, 16366512), (16, 15343605), (17, 14441040), (18, 13638760), (20, 12274884), (24, 10229070), (30, 8183256), (31, 7919280), (34, 7220520), (36, 6819380), (40, 6137442), (45, 5455504), (48, 5114535), (51, 4813680), (60, 4091628), (62, 3959640), (68, 3610260), (72, 3409690), (80, 3068721), (85, 2888208), (90, 2727752), (93, 2639760), (102, 2406840), (120, 2045814), (124, 1979820), (136, 1805130), (144, 1704845), (153, 1604560), (155, 1583856), (170, 1444104), (180, 1363876), (186, 1319880), (204, 1203420), (240, 1022907), (248, 989910), (255, 962736), (272, 902565), (279, 879920), (306, 802280), (310, 791928), (340, 722052), (360, 681938), (372, 659940), (408, 601710), (465, 527952), (496, 494955), (510, 481368), (527, 465840), (558, 439960), (612, 401140), (620, 395964), (647, 379440), (680, 361026), (720, 340969), (744, 329970), (765, 320912), (816, 300855), (930, 263976), (1020, 240684), (1054, 232920), (1116, 219980), (1224, 200570), (1240, 197982), (1294, 189720), (1360, 180513), (1395, 175984), (1488, 164985), (1530, 160456), (1581, 155280), (1860, 131988), (1941, 126480), (2040, 120342), (2108, 116460), (2232, 109990), (2448, 100285), (2480, 98991), (2588, 94860), (2635, 93168), (2790, 87992), (3060, 80228), (3162, 77640), (3235, 75888), (3720, 65994), (3882, 63240), (4080, 60171), (4216, 58230), (4464, 54995), (4743, 51760), (5176, 47430), (5270, 46584), (5580, 43996), (5823, 42160), (6120, 40114), (6324, 38820), (6470, 37944), (7440, 32997), (7764, 31620), (7905, 31056), (8432, 29115), (9486, 25880), (9705, 25296), (10352, 23715), (10540, 23292), (10999, 22320), (11160, 21998), (11646, 21080), (12240, 20057), (12648, 19410), (12940, 18972), (15528, 15810)]