87144260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^2$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 221376960

約数和(自身を除く): 134232700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 181, 190, 266, 362, 380, 532, 665, 724, 905, 1267, 1330, 1810, 2534, 2660, 3439, 3620, 5068, 6335, 6878, 12670, 13756, 17195, 24073, 25340, 32761, 34390, 48146, 65522, 68780, 96292, 120365, 131044, 163805, 229327, 240730, 327610, 458654, 481460, 622459, 655220, 917308, 1146635, 1244918, 2293270, 2489836, 3112295, 4357213, 4586540, 6224590, 8714426, 12449180, 17428852, 21786065, 43572130, 87144260]

約数ペア:

[(1, 87144260), (2, 43572130), (4, 21786065), (5, 17428852), (7, 12449180), (10, 8714426), (14, 6224590), (19, 4586540), (20, 4357213), (28, 3112295), (35, 2489836), (38, 2293270), (70, 1244918), (76, 1146635), (95, 917308), (133, 655220), (140, 622459), (181, 481460), (190, 458654), (266, 327610), (362, 240730), (380, 229327), (532, 163805), (665, 131044), (724, 120365), (905, 96292), (1267, 68780), (1330, 65522), (1810, 48146), (2534, 34390), (2660, 32761), (3439, 25340), (3620, 24073), (5068, 17195), (6335, 13756), (6878, 12670)]