15833840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 42318720

約数和(自身を除く): 26484880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 947, 1045, 1520, 1672, 1894, 2090, 3344, 3788, 4180, 4735, 7576, 8360, 9470, 10417, 15152, 16720, 17993, 18940, 20834, 35986, 37880, 41668, 52085, 71972, 75760, 83336, 89965, 104170, 143944, 166672, 179930, 197923, 208340, 287888, 359860, 395846, 416680, 719720, 791692, 833360, 989615, 1439440, 1583384, 1979230, 3166768, 3958460, 7916920, 15833840]

約数ペア:

[(1, 15833840), (2, 7916920), (4, 3958460), (5, 3166768), (8, 1979230), (10, 1583384), (11, 1439440), (16, 989615), (19, 833360), (20, 791692), (22, 719720), (38, 416680), (40, 395846), (44, 359860), (55, 287888), (76, 208340), (80, 197923), (88, 179930), (95, 166672), (110, 143944), (152, 104170), (176, 89965), (190, 83336), (209, 75760), (220, 71972), (304, 52085), (380, 41668), (418, 37880), (440, 35986), (760, 20834), (836, 18940), (880, 17993), (947, 16720), (1045, 15152), (1520, 10417), (1672, 9470), (1894, 8360), (2090, 7576), (3344, 4735), (3788, 4180)]