64215720

素因数分解:

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

素因数の和:1664

約数の個数: 128

約数和(自身を含む): 219974400

約数和(自身を除く): 155758680

約数列:

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

約数ペア:

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