64608840

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:83

約数の個数: 288

約数和(自身を含む): 241375680

約数和(自身を除く): 176766840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 23, 24, 27, 30, 34, 36, 40, 45, 46, 51, 54, 60, 68, 69, 72, 81, 85, 90, 92, 102, 108, 115, 120, 135, 136, 138, 153, 162, 170, 180, 184, 204, 207, 216, 230, 243, 255, 270, 276, 289, 306, 324, 340, 345, 360, 391, 405, 408, 414, 459, 460, 486, 510, 540, 552, 578, 612, 621, 648, 680, 690, 765, 782, 810, 828, 867, 918, 920, 972, 1020, 1035, 1080, 1156, 1173, 1215, 1224, 1242, 1377, 1380, 1445, 1530, 1564, 1620, 1656, 1734, 1836, 1863, 1944, 1955, 2040, 2070, 2295, 2312, 2346, 2430, 2484, 2601, 2754, 2760, 2890, 3060, 3105, 3128, 3240, 3468, 3519, 3672, 3726, 3910, 4131, 4140, 4335, 4590, 4692, 4860, 4968, 5202, 5508, 5589, 5780, 5865, 6120, 6210, 6647, 6885, 6936, 7038, 7452, 7803, 7820, 8262, 8280, 8670, 9180, 9315, 9384, 9720, 10404, 10557, 11016, 11178, 11560, 11730, 12420, 13005, 13294, 13770, 14076, 14904, 15606, 15640, 16524, 17340, 17595, 18360, 18630, 19941, 20655, 20808, 21114, 22356, 23409, 23460, 24840, 26010, 26588, 27540, 27945, 28152, 31212, 31671, 33048, 33235, 34680, 35190, 37260, 39015, 39882, 41310, 42228, 44712, 46818, 46920, 52020, 52785, 53176, 55080, 55890, 59823, 62424, 63342, 66470, 70227, 70380, 74520, 78030, 79764, 82620, 84456, 93636, 95013, 99705, 104040, 105570, 111780, 117045, 119646, 126684, 132940, 140454, 140760, 156060, 158355, 159528, 165240, 179469, 187272, 190026, 199410, 211140, 223560, 234090, 239292, 253368, 265880, 280908, 299115, 312120, 316710, 351135, 358938, 380052, 398820, 422280, 468180, 475065, 478584, 538407, 561816, 598230, 633420, 702270, 717876, 760104, 797640, 897345, 936360, 950130, 1076814, 1196460, 1266840, 1404540, 1435752, 1615221, 1794690, 1900260, 2153628, 2392920, 2692035, 2809080, 3230442, 3589380, 3800520, 4307256, 5384070, 6460884, 7178760, 8076105, 10768140, 12921768, 16152210, 21536280, 32304420, 64608840]

約数ペア:

[(1, 64608840), (2, 32304420), (3, 21536280), (4, 16152210), (5, 12921768), (6, 10768140), (8, 8076105), (9, 7178760), (10, 6460884), (12, 5384070), (15, 4307256), (17, 3800520), (18, 3589380), (20, 3230442), (23, 2809080), (24, 2692035), (27, 2392920), (30, 2153628), (34, 1900260), (36, 1794690), (40, 1615221), (45, 1435752), (46, 1404540), (51, 1266840), (54, 1196460), (60, 1076814), (68, 950130), (69, 936360), (72, 897345), (81, 797640), (85, 760104), (90, 717876), (92, 702270), (102, 633420), (108, 598230), (115, 561816), (120, 538407), (135, 478584), (136, 475065), (138, 468180), (153, 422280), (162, 398820), (170, 380052), (180, 358938), (184, 351135), (204, 316710), (207, 312120), (216, 299115), (230, 280908), (243, 265880), (255, 253368), (270, 239292), (276, 234090), (289, 223560), (306, 211140), (324, 199410), (340, 190026), (345, 187272), (360, 179469), (391, 165240), (405, 159528), (408, 158355), (414, 156060), (459, 140760), (460, 140454), (486, 132940), (510, 126684), (540, 119646), (552, 117045), (578, 111780), (612, 105570), (621, 104040), (648, 99705), (680, 95013), (690, 93636), (765, 84456), (782, 82620), (810, 79764), (828, 78030), (867, 74520), (918, 70380), (920, 70227), (972, 66470), (1020, 63342), (1035, 62424), (1080, 59823), (1156, 55890), (1173, 55080), (1215, 53176), (1224, 52785), (1242, 52020), (1377, 46920), (1380, 46818), (1445, 44712), (1530, 42228), (1564, 41310), (1620, 39882), (1656, 39015), (1734, 37260), (1836, 35190), (1863, 34680), (1944, 33235), (1955, 33048), (2040, 31671), (2070, 31212), (2295, 28152), (2312, 27945), (2346, 27540), (2430, 26588), (2484, 26010), (2601, 24840), (2754, 23460), (2760, 23409), (2890, 22356), (3060, 21114), (3105, 20808), (3128, 20655), (3240, 19941), (3468, 18630), (3519, 18360), (3672, 17595), (3726, 17340), (3910, 16524), (4131, 15640), (4140, 15606), (4335, 14904), (4590, 14076), (4692, 13770), (4860, 13294), (4968, 13005), (5202, 12420), (5508, 11730), (5589, 11560), (5780, 11178), (5865, 11016), (6120, 10557), (6210, 10404), (6647, 9720), (6885, 9384), (6936, 9315), (7038, 9180), (7452, 8670), (7803, 8280), (7820, 8262)]