172270720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:526

約数の個数: 128

約数和(自身を含む): 448473600

約数和(自身を除く): 276202880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 304, 310, 320, 380, 457, 496, 589, 608, 620, 640, 760, 914, 992, 1178, 1216, 1240, 1520, 1828, 1984, 2285, 2356, 2432, 2480, 2945, 3040, 3656, 3968, 4570, 4712, 4960, 5890, 6080, 7312, 8683, 9140, 9424, 9920, 11780, 12160, 14167, 14624, 17366, 18280, 18848, 19840, 23560, 28334, 29248, 34732, 36560, 37696, 43415, 47120, 56668, 58496, 69464, 70835, 73120, 75392, 86830, 94240, 113336, 138928, 141670, 146240, 173660, 188480, 226672, 269173, 277856, 283340, 292480, 347320, 376960, 453344, 538346, 555712, 566680, 694640, 906688, 1076692, 1111424, 1133360, 1345865, 1389280, 1813376, 2153384, 2266720, 2691730, 2778560, 4306768, 4533440, 5383460, 5557120, 8613536, 9066880, 10766920, 17227072, 21533840, 34454144, 43067680, 86135360, 172270720]

約数ペア:

[(1, 172270720), (2, 86135360), (4, 43067680), (5, 34454144), (8, 21533840), (10, 17227072), (16, 10766920), (19, 9066880), (20, 8613536), (31, 5557120), (32, 5383460), (38, 4533440), (40, 4306768), (62, 2778560), (64, 2691730), (76, 2266720), (80, 2153384), (95, 1813376), (124, 1389280), (128, 1345865), (152, 1133360), (155, 1111424), (160, 1076692), (190, 906688), (248, 694640), (304, 566680), (310, 555712), (320, 538346), (380, 453344), (457, 376960), (496, 347320), (589, 292480), (608, 283340), (620, 277856), (640, 269173), (760, 226672), (914, 188480), (992, 173660), (1178, 146240), (1216, 141670), (1240, 138928), (1520, 113336), (1828, 94240), (1984, 86830), (2285, 75392), (2356, 73120), (2432, 70835), (2480, 69464), (2945, 58496), (3040, 56668), (3656, 47120), (3968, 43415), (4570, 37696), (4712, 36560), (4960, 34732), (5890, 29248), (6080, 28334), (7312, 23560), (8683, 19840), (9140, 18848), (9424, 18280), (9920, 17366), (11780, 14624), (12160, 14167)]