320912640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:429

約数の個数: 216

約数和(自身を含む): 1126387080

約数和(自身を除く): 805474440

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, 240, 256, 267, 288, 313, 320, 356, 360, 384, 445, 480, 534, 576, 626, 640, 712, 720, 768, 801, 890, 939, 960, 1068, 1152, 1252, 1280, 1335, 1424, 1440, 1565, 1602, 1780, 1878, 1920, 2136, 2304, 2504, 2670, 2817, 2848, 2880, 3130, 3204, 3560, 3756, 3840, 4005, 4272, 4695, 5008, 5340, 5634, 5696, 5760, 6260, 6408, 7120, 7512, 8010, 8544, 9390, 10016, 10680, 11268, 11392, 11520, 12520, 12816, 14085, 14240, 15024, 16020, 17088, 18780, 20032, 21360, 22536, 22784, 25040, 25632, 27857, 28170, 28480, 30048, 32040, 34176, 37560, 40064, 42720, 45072, 50080, 51264, 55714, 56340, 56960, 60096, 64080, 68352, 75120, 80128, 83571, 85440, 90144, 100160, 102528, 111428, 112680, 113920, 120192, 128160, 139285, 150240, 167142, 170880, 180288, 200320, 205056, 222856, 225360, 240384, 250713, 256320, 278570, 300480, 334284, 341760, 360576, 400640, 417855, 445712, 450720, 501426, 512640, 557140, 600960, 668568, 721152, 835710, 891424, 901440, 1002852, 1025280, 1114280, 1201920, 1253565, 1337136, 1671420, 1782848, 1802880, 2005704, 2228560, 2507130, 2674272, 3342840, 3565696, 3605760, 4011408, 4457120, 5014260, 5348544, 6685680, 7131392, 8022816, 8914240, 10028520, 10697088, 13371360, 16045632, 17828480, 20057040, 21394176, 26742720, 32091264, 35656960, 40114080, 53485440, 64182528, 80228160, 106970880, 160456320, 320912640]

約数ペア:

[(1, 320912640), (2, 160456320), (3, 106970880), (4, 80228160), (5, 64182528), (6, 53485440), (8, 40114080), (9, 35656960), (10, 32091264), (12, 26742720), (15, 21394176), (16, 20057040), (18, 17828480), (20, 16045632), (24, 13371360), (30, 10697088), (32, 10028520), (36, 8914240), (40, 8022816), (45, 7131392), (48, 6685680), (60, 5348544), (64, 5014260), (72, 4457120), (80, 4011408), (89, 3605760), (90, 3565696), (96, 3342840), (120, 2674272), (128, 2507130), (144, 2228560), (160, 2005704), (178, 1802880), (180, 1782848), (192, 1671420), (240, 1337136), (256, 1253565), (267, 1201920), (288, 1114280), (313, 1025280), (320, 1002852), (356, 901440), (360, 891424), (384, 835710), (445, 721152), (480, 668568), (534, 600960), (576, 557140), (626, 512640), (640, 501426), (712, 450720), (720, 445712), (768, 417855), (801, 400640), (890, 360576), (939, 341760), (960, 334284), (1068, 300480), (1152, 278570), (1252, 256320), (1280, 250713), (1335, 240384), (1424, 225360), (1440, 222856), (1565, 205056), (1602, 200320), (1780, 180288), (1878, 170880), (1920, 167142), (2136, 150240), (2304, 139285), (2504, 128160), (2670, 120192), (2817, 113920), (2848, 112680), (2880, 111428), (3130, 102528), (3204, 100160), (3560, 90144), (3756, 85440), (3840, 83571), (4005, 80128), (4272, 75120), (4695, 68352), (5008, 64080), (5340, 60096), (5634, 56960), (5696, 56340), (5760, 55714), (6260, 51264), (6408, 50080), (7120, 45072), (7512, 42720), (8010, 40064), (8544, 37560), (9390, 34176), (10016, 32040), (10680, 30048), (11268, 28480), (11392, 28170), (11520, 27857), (12520, 25632), (12816, 25040), (14085, 22784), (14240, 22536), (15024, 21360), (16020, 20032), (17088, 18780)]