40335490720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{23071}}^1$

素因数の和:23323

約数の個数: 144

約数和(自身を含む): 111352485888

約数和(自身を除く): 71016995168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 223, 224, 245, 280, 392, 446, 490, 560, 784, 892, 980, 1115, 1120, 1561, 1568, 1784, 1960, 2230, 3122, 3568, 3920, 4460, 6244, 7136, 7805, 7840, 8920, 10927, 12488, 15610, 17840, 21854, 23071, 24976, 31220, 35680, 43708, 46142, 49952, 54635, 62440, 87416, 92284, 109270, 115355, 124880, 161497, 174832, 184568, 218540, 230710, 249760, 322994, 349664, 369136, 437080, 461420, 645988, 738272, 807485, 874160, 922840, 1130479, 1291976, 1614970, 1748320, 1845680, 2260958, 2583952, 3229940, 3691360, 4521916, 5144833, 5167904, 5652395, 6459880, 9043832, 10289666, 11304790, 12919760, 18087664, 20579332, 22609580, 25724165, 25839520, 36013831, 36175328, 41158664, 45219160, 51448330, 72027662, 82317328, 90438320, 102896660, 144055324, 164634656, 180069155, 180876640, 205793320, 252096817, 288110648, 360138310, 411586640, 504193634, 576221296, 720276620, 823173280, 1008387268, 1152442592, 1260484085, 1440553240, 2016774536, 2520968170, 2881106480, 4033549072, 5041936340, 5762212960, 8067098144, 10083872680, 20167745360, 40335490720]

約数ペア:

[(1, 40335490720), (2, 20167745360), (4, 10083872680), (5, 8067098144), (7, 5762212960), (8, 5041936340), (10, 4033549072), (14, 2881106480), (16, 2520968170), (20, 2016774536), (28, 1440553240), (32, 1260484085), (35, 1152442592), (40, 1008387268), (49, 823173280), (56, 720276620), (70, 576221296), (80, 504193634), (98, 411586640), (112, 360138310), (140, 288110648), (160, 252096817), (196, 205793320), (223, 180876640), (224, 180069155), (245, 164634656), (280, 144055324), (392, 102896660), (446, 90438320), (490, 82317328), (560, 72027662), (784, 51448330), (892, 45219160), (980, 41158664), (1115, 36175328), (1120, 36013831), (1561, 25839520), (1568, 25724165), (1784, 22609580), (1960, 20579332), (2230, 18087664), (3122, 12919760), (3568, 11304790), (3920, 10289666), (4460, 9043832), (6244, 6459880), (7136, 5652395), (7805, 5167904), (7840, 5144833), (8920, 4521916), (10927, 3691360), (12488, 3229940), (15610, 2583952), (17840, 2260958), (21854, 1845680), (23071, 1748320), (24976, 1614970), (31220, 1291976), (35680, 1130479), (43708, 922840), (46142, 874160), (49952, 807485), (54635, 738272), (62440, 645988), (87416, 461420), (92284, 437080), (109270, 369136), (115355, 349664), (124880, 322994), (161497, 249760), (174832, 230710), (184568, 218540)]