128745720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 256

約数和(自身を含む): 460339200

約数和(自身を除く): 331593480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 71, 72, 73, 90, 92, 108, 115, 120, 135, 138, 142, 146, 180, 184, 207, 213, 216, 219, 230, 270, 276, 284, 292, 345, 355, 360, 365, 414, 426, 438, 460, 540, 552, 568, 584, 621, 639, 657, 690, 710, 730, 828, 852, 876, 920, 1035, 1065, 1080, 1095, 1242, 1278, 1314, 1380, 1420, 1460, 1633, 1656, 1679, 1704, 1752, 1917, 1971, 2070, 2130, 2190, 2484, 2556, 2628, 2760, 2840, 2920, 3105, 3195, 3266, 3285, 3358, 3834, 3942, 4140, 4260, 4380, 4899, 4968, 5037, 5112, 5183, 5256, 6210, 6390, 6532, 6570, 6716, 7668, 7884, 8165, 8280, 8395, 8520, 8760, 9585, 9798, 9855, 10074, 10366, 12420, 12780, 13064, 13140, 13432, 14697, 15111, 15336, 15549, 15768, 16330, 16790, 19170, 19596, 19710, 20148, 20732, 24495, 24840, 25185, 25560, 25915, 26280, 29394, 30222, 31098, 32660, 33580, 38340, 39192, 39420, 40296, 41464, 44091, 45333, 46647, 48990, 50370, 51830, 58788, 60444, 62196, 65320, 67160, 73485, 75555, 76680, 77745, 78840, 88182, 90666, 93294, 97980, 100740, 103660, 117576, 119209, 120888, 124392, 139941, 146970, 151110, 155490, 176364, 181332, 186588, 195960, 201480, 207320, 220455, 226665, 233235, 238418, 279882, 293940, 302220, 310980, 352728, 357627, 362664, 373176, 440910, 453330, 466470, 476836, 559764, 587880, 596045, 604440, 621960, 699705, 715254, 881820, 906660, 932940, 953672, 1072881, 1119528, 1192090, 1399410, 1430508, 1763640, 1788135, 1813320, 1865880, 2145762, 2384180, 2798820, 2861016, 3218643, 3576270, 4291524, 4768360, 5364405, 5597640, 6437286, 7152540, 8583048, 10728810, 12874572, 14305080, 16093215, 21457620, 25749144, 32186430, 42915240, 64372860, 128745720]

約数ペア:

[(1, 128745720), (2, 64372860), (3, 42915240), (4, 32186430), (5, 25749144), (6, 21457620), (8, 16093215), (9, 14305080), (10, 12874572), (12, 10728810), (15, 8583048), (18, 7152540), (20, 6437286), (23, 5597640), (24, 5364405), (27, 4768360), (30, 4291524), (36, 3576270), (40, 3218643), (45, 2861016), (46, 2798820), (54, 2384180), (60, 2145762), (69, 1865880), (71, 1813320), (72, 1788135), (73, 1763640), (90, 1430508), (92, 1399410), (108, 1192090), (115, 1119528), (120, 1072881), (135, 953672), (138, 932940), (142, 906660), (146, 881820), (180, 715254), (184, 699705), (207, 621960), (213, 604440), (216, 596045), (219, 587880), (230, 559764), (270, 476836), (276, 466470), (284, 453330), (292, 440910), (345, 373176), (355, 362664), (360, 357627), (365, 352728), (414, 310980), (426, 302220), (438, 293940), (460, 279882), (540, 238418), (552, 233235), (568, 226665), (584, 220455), (621, 207320), (639, 201480), (657, 195960), (690, 186588), (710, 181332), (730, 176364), (828, 155490), (852, 151110), (876, 146970), (920, 139941), (1035, 124392), (1065, 120888), (1080, 119209), (1095, 117576), (1242, 103660), (1278, 100740), (1314, 97980), (1380, 93294), (1420, 90666), (1460, 88182), (1633, 78840), (1656, 77745), (1679, 76680), (1704, 75555), (1752, 73485), (1917, 67160), (1971, 65320), (2070, 62196), (2130, 60444), (2190, 58788), (2484, 51830), (2556, 50370), (2628, 48990), (2760, 46647), (2840, 45333), (2920, 44091), (3105, 41464), (3195, 40296), (3266, 39420), (3285, 39192), (3358, 38340), (3834, 33580), (3942, 32660), (4140, 31098), (4260, 30222), (4380, 29394), (4899, 26280), (4968, 25915), (5037, 25560), (5112, 25185), (5183, 24840), (5256, 24495), (6210, 20732), (6390, 20148), (6532, 19710), (6570, 19596), (6716, 19170), (7668, 16790), (7884, 16330), (8165, 15768), (8280, 15549), (8395, 15336), (8520, 15111), (8760, 14697), (9585, 13432), (9798, 13140), (9855, 13064), (10074, 12780), (10366, 12420)]