128431440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1607}}^1$

素因数の和:1666

約数の個数: 160

約数和(自身を含む): 454613760

約数和(自身を除く): 326182320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 108, 111, 120, 135, 144, 148, 180, 185, 216, 222, 240, 270, 296, 333, 360, 370, 432, 444, 540, 555, 592, 666, 720, 740, 888, 999, 1080, 1110, 1332, 1480, 1607, 1665, 1776, 1998, 2160, 2220, 2664, 2960, 3214, 3330, 3996, 4440, 4821, 4995, 5328, 6428, 6660, 7992, 8035, 8880, 9642, 9990, 12856, 13320, 14463, 15984, 16070, 19284, 19980, 24105, 25712, 26640, 28926, 32140, 38568, 39960, 43389, 48210, 57852, 59459, 64280, 72315, 77136, 79920, 86778, 96420, 115704, 118918, 128560, 144630, 173556, 178377, 192840, 216945, 231408, 237836, 289260, 297295, 347112, 356754, 385680, 433890, 475672, 535131, 578520, 594590, 694224, 713508, 867780, 891885, 951344, 1070262, 1157040, 1189180, 1427016, 1605393, 1735560, 1783770, 2140524, 2378360, 2675655, 2854032, 3210786, 3471120, 3567540, 4281048, 4756720, 5351310, 6421572, 7135080, 8026965, 8562096, 10702620, 12843144, 14270160, 16053930, 21405240, 25686288, 32107860, 42810480, 64215720, 128431440]

約数ペア:

[(1, 128431440), (2, 64215720), (3, 42810480), (4, 32107860), (5, 25686288), (6, 21405240), (8, 16053930), (9, 14270160), (10, 12843144), (12, 10702620), (15, 8562096), (16, 8026965), (18, 7135080), (20, 6421572), (24, 5351310), (27, 4756720), (30, 4281048), (36, 3567540), (37, 3471120), (40, 3210786), (45, 2854032), (48, 2675655), (54, 2378360), (60, 2140524), (72, 1783770), (74, 1735560), (80, 1605393), (90, 1427016), (108, 1189180), (111, 1157040), (120, 1070262), (135, 951344), (144, 891885), (148, 867780), (180, 713508), (185, 694224), (216, 594590), (222, 578520), (240, 535131), (270, 475672), (296, 433890), (333, 385680), (360, 356754), (370, 347112), (432, 297295), (444, 289260), (540, 237836), (555, 231408), (592, 216945), (666, 192840), (720, 178377), (740, 173556), (888, 144630), (999, 128560), (1080, 118918), (1110, 115704), (1332, 96420), (1480, 86778), (1607, 79920), (1665, 77136), (1776, 72315), (1998, 64280), (2160, 59459), (2220, 57852), (2664, 48210), (2960, 43389), (3214, 39960), (3330, 38568), (3996, 32140), (4440, 28926), (4821, 26640), (4995, 25712), (5328, 24105), (6428, 19980), (6660, 19284), (7992, 16070), (8035, 15984), (8880, 14463), (9642, 13320), (9990, 12856)]