77884520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:607

約数の個数: 96

約数和(自身を含む): 206841600

約数和(自身を除く): 128957080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 98, 140, 158, 196, 245, 280, 316, 392, 395, 490, 503, 553, 632, 790, 980, 1006, 1106, 1580, 1960, 2012, 2212, 2515, 2765, 3160, 3521, 3871, 4024, 4424, 5030, 5530, 7042, 7742, 10060, 11060, 14084, 15484, 17605, 19355, 20120, 22120, 24647, 28168, 30968, 35210, 38710, 39737, 49294, 70420, 77420, 79474, 98588, 123235, 140840, 154840, 158948, 197176, 198685, 246470, 278159, 317896, 397370, 492940, 556318, 794740, 985880, 1112636, 1390795, 1589480, 1947113, 2225272, 2781590, 3894226, 5563180, 7788452, 9735565, 11126360, 15576904, 19471130, 38942260, 77884520]

約数ペア:

[(1, 77884520), (2, 38942260), (4, 19471130), (5, 15576904), (7, 11126360), (8, 9735565), (10, 7788452), (14, 5563180), (20, 3894226), (28, 2781590), (35, 2225272), (40, 1947113), (49, 1589480), (56, 1390795), (70, 1112636), (79, 985880), (98, 794740), (140, 556318), (158, 492940), (196, 397370), (245, 317896), (280, 278159), (316, 246470), (392, 198685), (395, 197176), (490, 158948), (503, 154840), (553, 140840), (632, 123235), (790, 98588), (980, 79474), (1006, 77420), (1106, 70420), (1580, 49294), (1960, 39737), (2012, 38710), (2212, 35210), (2515, 30968), (2765, 28168), (3160, 24647), (3521, 22120), (3871, 20120), (4024, 19355), (4424, 17605), (5030, 15484), (5530, 14084), (7042, 11060), (7742, 10060)]