66689880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:441

約数の個数: 128

約数和(自身を含む): 212267520

約数和(自身を除く): 145577640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 73, 92, 115, 120, 138, 146, 184, 219, 230, 276, 292, 331, 345, 365, 438, 460, 552, 584, 662, 690, 730, 876, 920, 993, 1095, 1324, 1380, 1460, 1655, 1679, 1752, 1986, 2190, 2648, 2760, 2920, 3310, 3358, 3972, 4380, 4965, 5037, 6620, 6716, 7613, 7944, 8395, 8760, 9930, 10074, 13240, 13432, 15226, 16790, 19860, 20148, 22839, 24163, 25185, 30452, 33580, 38065, 39720, 40296, 45678, 48326, 50370, 60904, 67160, 72489, 76130, 91356, 96652, 100740, 114195, 120815, 144978, 152260, 182712, 193304, 201480, 228390, 241630, 289956, 304520, 362445, 456780, 483260, 555749, 579912, 724890, 913560, 966520, 1111498, 1449780, 1667247, 2222996, 2778745, 2899560, 3334494, 4445992, 5557490, 6668988, 8336235, 11114980, 13337976, 16672470, 22229960, 33344940, 66689880]

約数ペア:

[(1, 66689880), (2, 33344940), (3, 22229960), (4, 16672470), (5, 13337976), (6, 11114980), (8, 8336235), (10, 6668988), (12, 5557490), (15, 4445992), (20, 3334494), (23, 2899560), (24, 2778745), (30, 2222996), (40, 1667247), (46, 1449780), (60, 1111498), (69, 966520), (73, 913560), (92, 724890), (115, 579912), (120, 555749), (138, 483260), (146, 456780), (184, 362445), (219, 304520), (230, 289956), (276, 241630), (292, 228390), (331, 201480), (345, 193304), (365, 182712), (438, 152260), (460, 144978), (552, 120815), (584, 114195), (662, 100740), (690, 96652), (730, 91356), (876, 76130), (920, 72489), (993, 67160), (1095, 60904), (1324, 50370), (1380, 48326), (1460, 45678), (1655, 40296), (1679, 39720), (1752, 38065), (1986, 33580), (2190, 30452), (2648, 25185), (2760, 24163), (2920, 22839), (3310, 20148), (3358, 19860), (3972, 16790), (4380, 15226), (4965, 13432), (5037, 13240), (6620, 10074), (6716, 9930), (7613, 8760), (7944, 8395)]