785624320

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1588

約数の個数: 144

約数和(自身を含む): 2093317632

約数和(自身を除く): 1307693312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1523, 1612, 1664, 1984, 2015, 2080, 2480, 3046, 3224, 3328, 3968, 4030, 4160, 4960, 6092, 6448, 7615, 7936, 8060, 8320, 9920, 12184, 12896, 15230, 16120, 16640, 19799, 19840, 24368, 25792, 30460, 32240, 39598, 39680, 47213, 48736, 51584, 60920, 64480, 79196, 94426, 97472, 98995, 103168, 121840, 128960, 158392, 188852, 194944, 197990, 236065, 243680, 257920, 316784, 377704, 389888, 395980, 472130, 487360, 515840, 613769, 633568, 755408, 791960, 944260, 974720, 1227538, 1267136, 1510816, 1583920, 1888520, 1949440, 2455076, 2534272, 3021632, 3068845, 3167840, 3777040, 4910152, 5068544, 6043264, 6137690, 6335680, 7554080, 9820304, 12086528, 12275380, 12671360, 15108160, 19640608, 24550760, 25342720, 30216320, 39281216, 49101520, 60432640, 78562432, 98203040, 157124864, 196406080, 392812160, 785624320]

約数ペア:

[(1, 785624320), (2, 392812160), (4, 196406080), (5, 157124864), (8, 98203040), (10, 78562432), (13, 60432640), (16, 49101520), (20, 39281216), (26, 30216320), (31, 25342720), (32, 24550760), (40, 19640608), (52, 15108160), (62, 12671360), (64, 12275380), (65, 12086528), (80, 9820304), (104, 7554080), (124, 6335680), (128, 6137690), (130, 6043264), (155, 5068544), (160, 4910152), (208, 3777040), (248, 3167840), (256, 3068845), (260, 3021632), (310, 2534272), (320, 2455076), (403, 1949440), (416, 1888520), (496, 1583920), (520, 1510816), (620, 1267136), (640, 1227538), (806, 974720), (832, 944260), (992, 791960), (1040, 755408), (1240, 633568), (1280, 613769), (1523, 515840), (1612, 487360), (1664, 472130), (1984, 395980), (2015, 389888), (2080, 377704), (2480, 316784), (3046, 257920), (3224, 243680), (3328, 236065), (3968, 197990), (4030, 194944), (4160, 188852), (4960, 158392), (6092, 128960), (6448, 121840), (7615, 103168), (7936, 98995), (8060, 97472), (8320, 94426), (9920, 79196), (12184, 64480), (12896, 60920), (15230, 51584), (16120, 48736), (16640, 47213), (19799, 39680), (19840, 39598), (24368, 32240), (25792, 30460)]