121027720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:539

約数の個数: 128

約数和(自身を含む): 323481600

約数和(自身を除く): 202453880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 88, 95, 110, 124, 152, 155, 190, 209, 220, 248, 310, 341, 380, 418, 440, 467, 589, 620, 682, 760, 836, 934, 1045, 1178, 1240, 1364, 1672, 1705, 1868, 2090, 2335, 2356, 2728, 2945, 3410, 3736, 4180, 4670, 4712, 5137, 5890, 6479, 6820, 8360, 8873, 9340, 10274, 11780, 12958, 13640, 14477, 17746, 18680, 20548, 23560, 25685, 25916, 28954, 32395, 35492, 41096, 44365, 51370, 51832, 57908, 64790, 70984, 72385, 88730, 97603, 102740, 115816, 129580, 144770, 159247, 177460, 195206, 205480, 259160, 275063, 289540, 318494, 354920, 390412, 488015, 550126, 579080, 636988, 780824, 796235, 976030, 1100252, 1273976, 1375315, 1592470, 1952060, 2200504, 2750630, 3025693, 3184940, 3904120, 5501260, 6051386, 6369880, 11002520, 12102772, 15128465, 24205544, 30256930, 60513860, 121027720]

約数ペア:

[(1, 121027720), (2, 60513860), (4, 30256930), (5, 24205544), (8, 15128465), (10, 12102772), (11, 11002520), (19, 6369880), (20, 6051386), (22, 5501260), (31, 3904120), (38, 3184940), (40, 3025693), (44, 2750630), (55, 2200504), (62, 1952060), (76, 1592470), (88, 1375315), (95, 1273976), (110, 1100252), (124, 976030), (152, 796235), (155, 780824), (190, 636988), (209, 579080), (220, 550126), (248, 488015), (310, 390412), (341, 354920), (380, 318494), (418, 289540), (440, 275063), (467, 259160), (589, 205480), (620, 195206), (682, 177460), (760, 159247), (836, 144770), (934, 129580), (1045, 115816), (1178, 102740), (1240, 97603), (1364, 88730), (1672, 72385), (1705, 70984), (1868, 64790), (2090, 57908), (2335, 51832), (2356, 51370), (2728, 44365), (2945, 41096), (3410, 35492), (3736, 32395), (4180, 28954), (4670, 25916), (4712, 25685), (5137, 23560), (5890, 20548), (6479, 18680), (6820, 17746), (8360, 14477), (8873, 13640), (9340, 12958), (10274, 11780)]