20156989170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{1069}}^1$

素因数の和:1480

約数の個数: 128

約数和(自身を含む): 50765045760

約数和(自身を除く): 30608056590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 47, 86, 94, 129, 141, 215, 235, 258, 282, 311, 430, 470, 622, 645, 705, 933, 1069, 1290, 1410, 1555, 1866, 2021, 2138, 3110, 3207, 4042, 4665, 5345, 6063, 6414, 9330, 10105, 10690, 12126, 13373, 14617, 16035, 20210, 26746, 29234, 30315, 32070, 40119, 43851, 45967, 50243, 60630, 66865, 73085, 80238, 87702, 91934, 100486, 133730, 137901, 146170, 150729, 200595, 219255, 229835, 251215, 275802, 301458, 332459, 401190, 438510, 459670, 502430, 628531, 664918, 689505, 753645, 997377, 1257062, 1379010, 1507290, 1662295, 1885593, 1994754, 2160449, 3142655, 3324590, 3771186, 4320898, 4986885, 6285310, 6481347, 9427965, 9973770, 10802245, 12962694, 14295737, 15625573, 18855930, 21604490, 28591474, 31251146, 32406735, 42887211, 46876719, 64813470, 71478685, 78127865, 85774422, 93753438, 142957370, 156255730, 214436055, 234383595, 428872110, 468767190, 671899639, 1343799278, 2015698917, 3359498195, 4031397834, 6718996390, 10078494585, 20156989170]

約数ペア:

[(1, 20156989170), (2, 10078494585), (3, 6718996390), (5, 4031397834), (6, 3359498195), (10, 2015698917), (15, 1343799278), (30, 671899639), (43, 468767190), (47, 428872110), (86, 234383595), (94, 214436055), (129, 156255730), (141, 142957370), (215, 93753438), (235, 85774422), (258, 78127865), (282, 71478685), (311, 64813470), (430, 46876719), (470, 42887211), (622, 32406735), (645, 31251146), (705, 28591474), (933, 21604490), (1069, 18855930), (1290, 15625573), (1410, 14295737), (1555, 12962694), (1866, 10802245), (2021, 9973770), (2138, 9427965), (3110, 6481347), (3207, 6285310), (4042, 4986885), (4665, 4320898), (5345, 3771186), (6063, 3324590), (6414, 3142655), (9330, 2160449), (10105, 1994754), (10690, 1885593), (12126, 1662295), (13373, 1507290), (14617, 1379010), (16035, 1257062), (20210, 997377), (26746, 753645), (29234, 689505), (30315, 664918), (32070, 628531), (40119, 502430), (43851, 459670), (45967, 438510), (50243, 401190), (60630, 332459), (66865, 301458), (73085, 275802), (80238, 251215), (87702, 229835), (91934, 219255), (100486, 200595), (133730, 150729), (137901, 146170)]