40840320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 128

約数和(自身を含む): 132192000

約数和(自身を除く): 91351680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 128, 160, 178, 192, 239, 240, 267, 320, 356, 384, 445, 478, 480, 534, 640, 712, 717, 890, 956, 960, 1068, 1195, 1335, 1424, 1434, 1780, 1912, 1920, 2136, 2390, 2670, 2848, 2868, 3560, 3585, 3824, 4272, 4780, 5340, 5696, 5736, 7120, 7170, 7648, 8544, 9560, 10680, 11392, 11472, 14240, 14340, 15296, 17088, 19120, 21271, 21360, 22944, 28480, 28680, 30592, 34176, 38240, 42542, 42720, 45888, 56960, 57360, 63813, 76480, 85084, 85440, 91776, 106355, 114720, 127626, 152960, 170168, 170880, 212710, 229440, 255252, 319065, 340336, 425420, 458880, 510504, 638130, 680672, 850840, 1021008, 1276260, 1361344, 1701680, 2042016, 2552520, 2722688, 3403360, 4084032, 5105040, 6806720, 8168064, 10210080, 13613440, 20420160, 40840320]

約数ペア:

[(1, 40840320), (2, 20420160), (3, 13613440), (4, 10210080), (5, 8168064), (6, 6806720), (8, 5105040), (10, 4084032), (12, 3403360), (15, 2722688), (16, 2552520), (20, 2042016), (24, 1701680), (30, 1361344), (32, 1276260), (40, 1021008), (48, 850840), (60, 680672), (64, 638130), (80, 510504), (89, 458880), (96, 425420), (120, 340336), (128, 319065), (160, 255252), (178, 229440), (192, 212710), (239, 170880), (240, 170168), (267, 152960), (320, 127626), (356, 114720), (384, 106355), (445, 91776), (478, 85440), (480, 85084), (534, 76480), (640, 63813), (712, 57360), (717, 56960), (890, 45888), (956, 42720), (960, 42542), (1068, 38240), (1195, 34176), (1335, 30592), (1424, 28680), (1434, 28480), (1780, 22944), (1912, 21360), (1920, 21271), (2136, 19120), (2390, 17088), (2670, 15296), (2848, 14340), (2868, 14240), (3560, 11472), (3585, 11392), (3824, 10680), (4272, 9560), (4780, 8544), (5340, 7648), (5696, 7170), (5736, 7120)]