639670720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8093}}^1$

素因数の和:8142

約数の個数: 112

約数和(自身を含む): 1726935840

約数和(自身を除く): 1087265120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 832, 988, 1040, 1216, 1235, 1520, 1976, 2080, 2470, 3040, 3952, 4160, 4940, 6080, 7904, 8093, 9880, 15808, 16186, 19760, 32372, 39520, 40465, 64744, 79040, 80930, 105209, 129488, 153767, 161860, 210418, 258976, 307534, 323720, 420836, 517952, 526045, 615068, 647440, 768835, 841672, 1052090, 1230136, 1294880, 1537670, 1683344, 1998971, 2104180, 2460272, 2589760, 3075340, 3366688, 3997942, 4208360, 4920544, 6150680, 6733376, 7995884, 8416720, 9841088, 9994855, 12301360, 15991768, 16833440, 19989710, 24602720, 31983536, 33666880, 39979420, 49205440, 63967072, 79958840, 127934144, 159917680, 319835360, 639670720]

約数ペア:

[(1, 639670720), (2, 319835360), (4, 159917680), (5, 127934144), (8, 79958840), (10, 63967072), (13, 49205440), (16, 39979420), (19, 33666880), (20, 31983536), (26, 24602720), (32, 19989710), (38, 16833440), (40, 15991768), (52, 12301360), (64, 9994855), (65, 9841088), (76, 8416720), (80, 7995884), (95, 6733376), (104, 6150680), (130, 4920544), (152, 4208360), (160, 3997942), (190, 3366688), (208, 3075340), (247, 2589760), (260, 2460272), (304, 2104180), (320, 1998971), (380, 1683344), (416, 1537670), (494, 1294880), (520, 1230136), (608, 1052090), (760, 841672), (832, 768835), (988, 647440), (1040, 615068), (1216, 526045), (1235, 517952), (1520, 420836), (1976, 323720), (2080, 307534), (2470, 258976), (3040, 210418), (3952, 161860), (4160, 153767), (4940, 129488), (6080, 105209), (7904, 80930), (8093, 79040), (9880, 64744), (15808, 40465), (16186, 39520), (19760, 32372)]