245041920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:355

約数の個数: 216

約数和(自身を含む): 860932800

約数和(自身を除く): 615890880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 89, 90, 96, 120, 128, 144, 160, 178, 180, 192, 239, 240, 256, 267, 288, 320, 356, 360, 384, 445, 478, 480, 534, 576, 640, 712, 717, 720, 768, 801, 890, 956, 960, 1068, 1152, 1195, 1280, 1335, 1424, 1434, 1440, 1602, 1780, 1912, 1920, 2136, 2151, 2304, 2390, 2670, 2848, 2868, 2880, 3204, 3560, 3585, 3824, 3840, 4005, 4272, 4302, 4780, 5340, 5696, 5736, 5760, 6408, 7120, 7170, 7648, 8010, 8544, 8604, 9560, 10680, 10755, 11392, 11472, 11520, 12816, 14240, 14340, 15296, 16020, 17088, 17208, 19120, 21271, 21360, 21510, 22784, 22944, 25632, 28480, 28680, 30592, 32040, 34176, 34416, 38240, 42542, 42720, 43020, 45888, 51264, 56960, 57360, 61184, 63813, 64080, 68352, 68832, 76480, 85084, 85440, 86040, 91776, 102528, 106355, 113920, 114720, 127626, 128160, 137664, 152960, 170168, 170880, 172080, 183552, 191439, 205056, 212710, 229440, 255252, 256320, 275328, 305920, 319065, 340336, 341760, 344160, 382878, 425420, 458880, 510504, 512640, 550656, 638130, 680672, 688320, 765756, 850840, 917760, 957195, 1021008, 1025280, 1276260, 1361344, 1376640, 1531512, 1701680, 1914390, 2042016, 2552520, 2722688, 2753280, 3063024, 3403360, 3828780, 4084032, 5105040, 5445376, 6126048, 6806720, 7657560, 8168064, 10210080, 12252096, 13613440, 15315120, 16336128, 20420160, 24504192, 27226880, 30630240, 40840320, 49008384, 61260480, 81680640, 122520960, 245041920]

約数ペア:

[(1, 245041920), (2, 122520960), (3, 81680640), (4, 61260480), (5, 49008384), (6, 40840320), (8, 30630240), (9, 27226880), (10, 24504192), (12, 20420160), (15, 16336128), (16, 15315120), (18, 13613440), (20, 12252096), (24, 10210080), (30, 8168064), (32, 7657560), (36, 6806720), (40, 6126048), (45, 5445376), (48, 5105040), (60, 4084032), (64, 3828780), (72, 3403360), (80, 3063024), (89, 2753280), (90, 2722688), (96, 2552520), (120, 2042016), (128, 1914390), (144, 1701680), (160, 1531512), (178, 1376640), (180, 1361344), (192, 1276260), (239, 1025280), (240, 1021008), (256, 957195), (267, 917760), (288, 850840), (320, 765756), (356, 688320), (360, 680672), (384, 638130), (445, 550656), (478, 512640), (480, 510504), (534, 458880), (576, 425420), (640, 382878), (712, 344160), (717, 341760), (720, 340336), (768, 319065), (801, 305920), (890, 275328), (956, 256320), (960, 255252), (1068, 229440), (1152, 212710), (1195, 205056), (1280, 191439), (1335, 183552), (1424, 172080), (1434, 170880), (1440, 170168), (1602, 152960), (1780, 137664), (1912, 128160), (1920, 127626), (2136, 114720), (2151, 113920), (2304, 106355), (2390, 102528), (2670, 91776), (2848, 86040), (2868, 85440), (2880, 85084), (3204, 76480), (3560, 68832), (3585, 68352), (3824, 64080), (3840, 63813), (4005, 61184), (4272, 57360), (4302, 56960), (4780, 51264), (5340, 45888), (5696, 43020), (5736, 42720), (5760, 42542), (6408, 38240), (7120, 34416), (7170, 34176), (7648, 32040), (8010, 30592), (8544, 28680), (8604, 28480), (9560, 25632), (10680, 22944), (10755, 22784), (11392, 21510), (11472, 21360), (11520, 21271), (12816, 19120), (14240, 17208), (14340, 17088), (15296, 16020)]