16919976420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2540537}}^1$

素因数の和:2540589

約数の個数: 72

約数和(自身を含む): 52711082424

約数和(自身を除く): 35791106004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 2540537, 5081074, 7621611, 10162148, 12702685, 15243222, 22864833, 25405370, 30486444, 38108055, 45729666, 50810740, 76216110, 91459332, 93999869, 114324165, 152432220, 187999738, 228648330, 281999607, 375999476, 457296660, 469999345, 563999214, 845998821, 939998690, 1127998428, 1409998035, 1691997642, 1879997380, 2819996070, 3383995284, 4229994105, 5639992140, 8459988210, 16919976420]

約数ペア:

[(1, 16919976420), (2, 8459988210), (3, 5639992140), (4, 4229994105), (5, 3383995284), (6, 2819996070), (9, 1879997380), (10, 1691997642), (12, 1409998035), (15, 1127998428), (18, 939998690), (20, 845998821), (30, 563999214), (36, 469999345), (37, 457296660), (45, 375999476), (60, 281999607), (74, 228648330), (90, 187999738), (111, 152432220), (148, 114324165), (180, 93999869), (185, 91459332), (222, 76216110), (333, 50810740), (370, 45729666), (444, 38108055), (555, 30486444), (666, 25405370), (740, 22864833), (1110, 15243222), (1332, 12702685), (1665, 10162148), (2220, 7621611), (3330, 5081074), (6660, 2540537)]