8821560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 29756160

約数和(自身を除く): 20934600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 41, 44, 55, 60, 66, 82, 88, 110, 120, 123, 132, 163, 164, 165, 205, 220, 246, 264, 326, 328, 330, 410, 440, 451, 489, 492, 615, 652, 660, 815, 820, 902, 978, 984, 1230, 1304, 1320, 1353, 1630, 1640, 1793, 1804, 1956, 2255, 2445, 2460, 2706, 3260, 3586, 3608, 3912, 4510, 4890, 4920, 5379, 5412, 6520, 6683, 6765, 7172, 8965, 9020, 9780, 10758, 10824, 13366, 13530, 14344, 17930, 18040, 19560, 20049, 21516, 26732, 26895, 27060, 33415, 35860, 40098, 43032, 53464, 53790, 54120, 66830, 71720, 73513, 80196, 100245, 107580, 133660, 147026, 160392, 200490, 215160, 220539, 267320, 294052, 367565, 400980, 441078, 588104, 735130, 801960, 882156, 1102695, 1470260, 1764312, 2205390, 2940520, 4410780, 8821560]

約数ペア:

[(1, 8821560), (2, 4410780), (3, 2940520), (4, 2205390), (5, 1764312), (6, 1470260), (8, 1102695), (10, 882156), (11, 801960), (12, 735130), (15, 588104), (20, 441078), (22, 400980), (24, 367565), (30, 294052), (33, 267320), (40, 220539), (41, 215160), (44, 200490), (55, 160392), (60, 147026), (66, 133660), (82, 107580), (88, 100245), (110, 80196), (120, 73513), (123, 71720), (132, 66830), (163, 54120), (164, 53790), (165, 53464), (205, 43032), (220, 40098), (246, 35860), (264, 33415), (326, 27060), (328, 26895), (330, 26732), (410, 21516), (440, 20049), (451, 19560), (489, 18040), (492, 17930), (615, 14344), (652, 13530), (660, 13366), (815, 10824), (820, 10758), (902, 9780), (978, 9020), (984, 8965), (1230, 7172), (1304, 6765), (1320, 6683), (1353, 6520), (1630, 5412), (1640, 5379), (1793, 4920), (1804, 4890), (1956, 4510), (2255, 3912), (2445, 3608), (2460, 3586), (2706, 3260)]