155115940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 389136384

約数和(自身を除く): 234020444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 103, 124, 140, 155, 206, 217, 310, 347, 412, 434, 515, 620, 694, 721, 868, 1030, 1085, 1388, 1442, 1735, 2060, 2170, 2429, 2884, 3193, 3470, 3605, 4340, 4858, 6386, 6940, 7210, 9716, 10757, 12145, 12772, 14420, 15965, 21514, 22351, 24290, 31930, 35741, 43028, 44702, 48580, 53785, 63860, 71482, 75299, 89404, 107570, 111755, 142964, 150598, 178705, 215140, 223510, 250187, 301196, 357410, 376495, 447020, 500374, 714820, 752990, 1000748, 1107971, 1250935, 1505980, 2215942, 2501870, 4431884, 5003740, 5539855, 7755797, 11079710, 15511594, 22159420, 31023188, 38778985, 77557970, 155115940]

約数ペア:

[(1, 155115940), (2, 77557970), (4, 38778985), (5, 31023188), (7, 22159420), (10, 15511594), (14, 11079710), (20, 7755797), (28, 5539855), (31, 5003740), (35, 4431884), (62, 2501870), (70, 2215942), (103, 1505980), (124, 1250935), (140, 1107971), (155, 1000748), (206, 752990), (217, 714820), (310, 500374), (347, 447020), (412, 376495), (434, 357410), (515, 301196), (620, 250187), (694, 223510), (721, 215140), (868, 178705), (1030, 150598), (1085, 142964), (1388, 111755), (1442, 107570), (1735, 89404), (2060, 75299), (2170, 71482), (2429, 63860), (2884, 53785), (3193, 48580), (3470, 44702), (3605, 43028), (4340, 35741), (4858, 31930), (6386, 24290), (6940, 22351), (7210, 21514), (9716, 15965), (10757, 14420), (12145, 12772)]