2123820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:66

約数の個数: 144

約数和(自身を含む): 7338240

約数和(自身を除く): 5214420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 27, 30, 36, 38, 45, 46, 54, 57, 60, 69, 76, 81, 90, 92, 95, 108, 114, 115, 135, 138, 162, 171, 180, 190, 207, 228, 230, 243, 270, 276, 285, 324, 342, 345, 380, 405, 414, 437, 460, 486, 513, 540, 570, 621, 684, 690, 810, 828, 855, 874, 972, 1026, 1035, 1140, 1215, 1242, 1311, 1380, 1539, 1620, 1710, 1748, 1863, 2052, 2070, 2185, 2430, 2484, 2565, 2622, 3078, 3105, 3420, 3726, 3933, 4140, 4370, 4617, 4860, 5130, 5244, 5589, 6156, 6210, 6555, 7452, 7695, 7866, 8740, 9234, 9315, 10260, 11178, 11799, 12420, 13110, 15390, 15732, 18468, 18630, 19665, 22356, 23085, 23598, 26220, 27945, 30780, 35397, 37260, 39330, 46170, 47196, 55890, 58995, 70794, 78660, 92340, 106191, 111780, 117990, 141588, 176985, 212382, 235980, 353970, 424764, 530955, 707940, 1061910, 2123820]

約数ペア:

[(1, 2123820), (2, 1061910), (3, 707940), (4, 530955), (5, 424764), (6, 353970), (9, 235980), (10, 212382), (12, 176985), (15, 141588), (18, 117990), (19, 111780), (20, 106191), (23, 92340), (27, 78660), (30, 70794), (36, 58995), (38, 55890), (45, 47196), (46, 46170), (54, 39330), (57, 37260), (60, 35397), (69, 30780), (76, 27945), (81, 26220), (90, 23598), (92, 23085), (95, 22356), (108, 19665), (114, 18630), (115, 18468), (135, 15732), (138, 15390), (162, 13110), (171, 12420), (180, 11799), (190, 11178), (207, 10260), (228, 9315), (230, 9234), (243, 8740), (270, 7866), (276, 7695), (285, 7452), (324, 6555), (342, 6210), (345, 6156), (380, 5589), (405, 5244), (414, 5130), (437, 4860), (460, 4617), (486, 4370), (513, 4140), (540, 3933), (570, 3726), (621, 3420), (684, 3105), (690, 3078), (810, 2622), (828, 2565), (855, 2484), (874, 2430), (972, 2185), (1026, 2070), (1035, 2052), (1140, 1863), (1215, 1748), (1242, 1710), (1311, 1620), (1380, 1539)]