15721988960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{35461}}^1$

素因数の和:35656

約数の個数: 96

約数和(自身を含む): 39570485472

約数和(自身を除く): 23848496512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 163, 170, 272, 326, 340, 544, 652, 680, 815, 1304, 1360, 1630, 2608, 2720, 2771, 3260, 5216, 5542, 6520, 11084, 13040, 13855, 22168, 26080, 27710, 35461, 44336, 55420, 70922, 88672, 110840, 141844, 177305, 221680, 283688, 354610, 443360, 567376, 602837, 709220, 1134752, 1205674, 1418440, 2411348, 2836880, 3014185, 4822696, 5673760, 5780143, 6028370, 9645392, 11560286, 12056740, 19290784, 23120572, 24113480, 28900715, 46241144, 48226960, 57801430, 92482288, 96453920, 98262431, 115602860, 184964576, 196524862, 231205720, 393049724, 462411440, 491312155, 786099448, 924822880, 982624310, 1572198896, 1965248620, 3144397792, 3930497240, 7860994480, 15721988960]

約数ペア:

[(1, 15721988960), (2, 7860994480), (4, 3930497240), (5, 3144397792), (8, 1965248620), (10, 1572198896), (16, 982624310), (17, 924822880), (20, 786099448), (32, 491312155), (34, 462411440), (40, 393049724), (68, 231205720), (80, 196524862), (85, 184964576), (136, 115602860), (160, 98262431), (163, 96453920), (170, 92482288), (272, 57801430), (326, 48226960), (340, 46241144), (544, 28900715), (652, 24113480), (680, 23120572), (815, 19290784), (1304, 12056740), (1360, 11560286), (1630, 9645392), (2608, 6028370), (2720, 5780143), (2771, 5673760), (3260, 4822696), (5216, 3014185), (5542, 2836880), (6520, 2411348), (11084, 1418440), (13040, 1205674), (13855, 1134752), (22168, 709220), (26080, 602837), (27710, 567376), (35461, 443360), (44336, 354610), (55420, 283688), (70922, 221680), (88672, 177305), (110840, 141844)]