861150680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2113

約数の個数: 128

約数和(自身を含む): 2248646400

約数和(自身を除く): 1387495720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 43, 52, 65, 76, 86, 95, 104, 130, 152, 172, 190, 215, 247, 260, 344, 380, 430, 494, 520, 559, 760, 817, 860, 988, 1118, 1235, 1634, 1720, 1976, 2027, 2236, 2470, 2795, 3268, 4054, 4085, 4472, 4940, 5590, 6536, 8108, 8170, 9880, 10135, 10621, 11180, 16216, 16340, 20270, 21242, 22360, 26351, 32680, 38513, 40540, 42484, 52702, 53105, 77026, 81080, 84968, 87161, 105404, 106210, 131755, 154052, 174322, 192565, 210808, 212420, 263510, 308104, 348644, 385130, 424840, 435805, 500669, 527020, 697288, 770260, 871610, 1001338, 1054040, 1133093, 1540520, 1656059, 1743220, 2002676, 2266186, 2503345, 3312118, 3486440, 4005352, 4532372, 5006690, 5665465, 6624236, 8280295, 9064744, 10013380, 11330930, 13248472, 16560590, 20026760, 21528767, 22661860, 33121180, 43057534, 45323720, 66242360, 86115068, 107643835, 172230136, 215287670, 430575340, 861150680]

約数ペア:

[(1, 861150680), (2, 430575340), (4, 215287670), (5, 172230136), (8, 107643835), (10, 86115068), (13, 66242360), (19, 45323720), (20, 43057534), (26, 33121180), (38, 22661860), (40, 21528767), (43, 20026760), (52, 16560590), (65, 13248472), (76, 11330930), (86, 10013380), (95, 9064744), (104, 8280295), (130, 6624236), (152, 5665465), (172, 5006690), (190, 4532372), (215, 4005352), (247, 3486440), (260, 3312118), (344, 2503345), (380, 2266186), (430, 2002676), (494, 1743220), (520, 1656059), (559, 1540520), (760, 1133093), (817, 1054040), (860, 1001338), (988, 871610), (1118, 770260), (1235, 697288), (1634, 527020), (1720, 500669), (1976, 435805), (2027, 424840), (2236, 385130), (2470, 348644), (2795, 308104), (3268, 263510), (4054, 212420), (4085, 210808), (4472, 192565), (4940, 174322), (5590, 154052), (6536, 131755), (8108, 106210), (8170, 105404), (9880, 87161), (10135, 84968), (10621, 81080), (11180, 77026), (16216, 53105), (16340, 52702), (20270, 42484), (21242, 40540), (22360, 38513), (26351, 32680)]