257470920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{34057}}^1$

素因数の和:34084

約数の個数: 128

約数和(自身を含む): 980870400

約数和(自身を除く): 723399480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 34057, 68114, 102171, 136228, 170285, 204342, 238399, 272456, 306513, 340570, 408684, 476798, 510855, 613026, 681140, 715197, 817368, 919539, 953596, 1021710, 1191995, 1226052, 1362280, 1430394, 1532565, 1839078, 1907192, 2043420, 2145591, 2383990, 2452104, 2860788, 3065130, 3575985, 3678156, 4086840, 4291182, 4597695, 4767980, 5721576, 6130260, 6436773, 7151970, 7356312, 8582364, 9195390, 9535960, 10727955, 12260520, 12873546, 14303940, 17164728, 18390780, 21455910, 25747092, 28607880, 32183865, 36781560, 42911820, 51494184, 64367730, 85823640, 128735460, 257470920]

約数ペア:

[(1, 257470920), (2, 128735460), (3, 85823640), (4, 64367730), (5, 51494184), (6, 42911820), (7, 36781560), (8, 32183865), (9, 28607880), (10, 25747092), (12, 21455910), (14, 18390780), (15, 17164728), (18, 14303940), (20, 12873546), (21, 12260520), (24, 10727955), (27, 9535960), (28, 9195390), (30, 8582364), (35, 7356312), (36, 7151970), (40, 6436773), (42, 6130260), (45, 5721576), (54, 4767980), (56, 4597695), (60, 4291182), (63, 4086840), (70, 3678156), (72, 3575985), (84, 3065130), (90, 2860788), (105, 2452104), (108, 2383990), (120, 2145591), (126, 2043420), (135, 1907192), (140, 1839078), (168, 1532565), (180, 1430394), (189, 1362280), (210, 1226052), (216, 1191995), (252, 1021710), (270, 953596), (280, 919539), (315, 817368), (360, 715197), (378, 681140), (420, 613026), (504, 510855), (540, 476798), (630, 408684), (756, 340570), (840, 306513), (945, 272456), (1080, 238399), (1260, 204342), (1512, 170285), (1890, 136228), (2520, 102171), (3780, 68114), (7560, 34057)]