306213040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{569}}^1$

素因数の和:651

約数の個数: 120

約数和(自身を含む): 842222880

約数和(自身を除く): 536009840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 569, 620, 868, 961, 1085, 1138, 1240, 1736, 1922, 2170, 2276, 2480, 2845, 3472, 3844, 3983, 4340, 4552, 4805, 5690, 6727, 7688, 7966, 8680, 9104, 9610, 11380, 13454, 15376, 15932, 17360, 17639, 19220, 19915, 22760, 26908, 31864, 33635, 35278, 38440, 39830, 45520, 53816, 63728, 67270, 70556, 76880, 79660, 88195, 107632, 123473, 134540, 141112, 159320, 176390, 246946, 269080, 282224, 318640, 352780, 493892, 538160, 546809, 617365, 705560, 987784, 1093618, 1234730, 1411120, 1975568, 2187236, 2469460, 2734045, 3827663, 4374472, 4938920, 5468090, 7655326, 8748944, 9877840, 10936180, 15310652, 19138315, 21872360, 30621304, 38276630, 43744720, 61242608, 76553260, 153106520, 306213040]

約数ペア:

[(1, 306213040), (2, 153106520), (4, 76553260), (5, 61242608), (7, 43744720), (8, 38276630), (10, 30621304), (14, 21872360), (16, 19138315), (20, 15310652), (28, 10936180), (31, 9877840), (35, 8748944), (40, 7655326), (56, 5468090), (62, 4938920), (70, 4374472), (80, 3827663), (112, 2734045), (124, 2469460), (140, 2187236), (155, 1975568), (217, 1411120), (248, 1234730), (280, 1093618), (310, 987784), (434, 705560), (496, 617365), (560, 546809), (569, 538160), (620, 493892), (868, 352780), (961, 318640), (1085, 282224), (1138, 269080), (1240, 246946), (1736, 176390), (1922, 159320), (2170, 141112), (2276, 134540), (2480, 123473), (2845, 107632), (3472, 88195), (3844, 79660), (3983, 76880), (4340, 70556), (4552, 67270), (4805, 63728), (5690, 53816), (6727, 45520), (7688, 39830), (7966, 38440), (8680, 35278), (9104, 33635), (9610, 31864), (11380, 26908), (13454, 22760), (15376, 19915), (15932, 19220), (17360, 17639)]