64871280

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 240

約数和(自身を含む): 233985024

約数和(自身を除く): 169113744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 60, 71, 72, 80, 81, 90, 94, 108, 120, 135, 141, 142, 144, 162, 180, 188, 213, 216, 235, 240, 243, 270, 282, 284, 324, 355, 360, 376, 405, 423, 426, 432, 470, 486, 540, 564, 568, 639, 648, 705, 710, 720, 752, 810, 846, 852, 940, 972, 1065, 1080, 1128, 1136, 1215, 1269, 1278, 1296, 1410, 1420, 1620, 1692, 1704, 1880, 1917, 1944, 2115, 2130, 2160, 2256, 2430, 2538, 2556, 2820, 2840, 3195, 3240, 3337, 3384, 3408, 3760, 3807, 3834, 3888, 4230, 4260, 4860, 5076, 5112, 5640, 5680, 5751, 6345, 6390, 6480, 6674, 6768, 7614, 7668, 8460, 8520, 9585, 9720, 10011, 10152, 10224, 11280, 11421, 11502, 12690, 12780, 13348, 15228, 15336, 16685, 16920, 17040, 17253, 19035, 19170, 19440, 20022, 20304, 22842, 23004, 25380, 25560, 26696, 28755, 30033, 30456, 30672, 33370, 33840, 34506, 38070, 38340, 40044, 45684, 46008, 50055, 50760, 51120, 53392, 57105, 57510, 60066, 60912, 66740, 69012, 76140, 76680, 80088, 86265, 90099, 91368, 92016, 100110, 101520, 114210, 115020, 120132, 133480, 138024, 150165, 152280, 153360, 160176, 172530, 180198, 182736, 200220, 228420, 230040, 240264, 266960, 270297, 276048, 300330, 304560, 345060, 360396, 400440, 450495, 456840, 460080, 480528, 540594, 600660, 690120, 720792, 800880, 810891, 900990, 913680, 1081188, 1201320, 1351485, 1380240, 1441584, 1621782, 1801980, 2162376, 2402640, 2702970, 3243564, 3603960, 4054455, 4324752, 5405940, 6487128, 7207920, 8108910, 10811880, 12974256, 16217820, 21623760, 32435640, 64871280]

約数ペア:

[(1, 64871280), (2, 32435640), (3, 21623760), (4, 16217820), (5, 12974256), (6, 10811880), (8, 8108910), (9, 7207920), (10, 6487128), (12, 5405940), (15, 4324752), (16, 4054455), (18, 3603960), (20, 3243564), (24, 2702970), (27, 2402640), (30, 2162376), (36, 1801980), (40, 1621782), (45, 1441584), (47, 1380240), (48, 1351485), (54, 1201320), (60, 1081188), (71, 913680), (72, 900990), (80, 810891), (81, 800880), (90, 720792), (94, 690120), (108, 600660), (120, 540594), (135, 480528), (141, 460080), (142, 456840), (144, 450495), (162, 400440), (180, 360396), (188, 345060), (213, 304560), (216, 300330), (235, 276048), (240, 270297), (243, 266960), (270, 240264), (282, 230040), (284, 228420), (324, 200220), (355, 182736), (360, 180198), (376, 172530), (405, 160176), (423, 153360), (426, 152280), (432, 150165), (470, 138024), (486, 133480), (540, 120132), (564, 115020), (568, 114210), (639, 101520), (648, 100110), (705, 92016), (710, 91368), (720, 90099), (752, 86265), (810, 80088), (846, 76680), (852, 76140), (940, 69012), (972, 66740), (1065, 60912), (1080, 60066), (1128, 57510), (1136, 57105), (1215, 53392), (1269, 51120), (1278, 50760), (1296, 50055), (1410, 46008), (1420, 45684), (1620, 40044), (1692, 38340), (1704, 38070), (1880, 34506), (1917, 33840), (1944, 33370), (2115, 30672), (2130, 30456), (2160, 30033), (2256, 28755), (2430, 26696), (2538, 25560), (2556, 25380), (2820, 23004), (2840, 22842), (3195, 20304), (3240, 20022), (3337, 19440), (3384, 19170), (3408, 19035), (3760, 17253), (3807, 17040), (3834, 16920), (3888, 16685), (4230, 15336), (4260, 15228), (4860, 13348), (5076, 12780), (5112, 12690), (5640, 11502), (5680, 11421), (5751, 11280), (6345, 10224), (6390, 10152), (6480, 10011), (6674, 9720), (6768, 9585), (7614, 8520), (7668, 8460)]